Colleges Attended:

• Northwestern University
• Evanston, Illinois
• Honors Program B.S. 1976 (Engineering)

• Yale University
• New Haven, Connecticut
• Summer Research Program, 1975

Postgraduate Training:

• Northwestern University
• Chicago, Illinois
• Medical School, M.D. 1980

• Walter Reed Army Medical Center
• Washington, D.C.
• Internship (General Surgery), 1980 - 1981

• Barrow Neurological Institute
• Phoenix, Arizona
• Residency (Neurological Surgery), 1981 - 1987

• Charles A. Elsberg Fellowship
• in Neurological Surgery
• (New York Academy of Medicine)
• Wellcome Surgical Institute
• University of Glasgow, Scotland
• Cerebro-vascular Research, 1986-1987

Neurosurgical Practice:

• Staff Neurosurgeon
• William Beaumont Army Medical Center
• El Paso, Texas 79920-5001
• July 1987 - January 1988

• Assistant Chief
• Neurosurgery Service
• William Beaumont Army Medical Center
• El Paso, Texas 79920-5001
• January 1988 - July 1989

• Chief
• Neurosurgery Service
• William Beaumont Army Medical Center
• El Paso, Texas 79920-5001
• July 1989 - July 1990

• Staff Neurosurgeon
• Walter Reed Army Medical Center
• Washington, D.C. 20307-5001
• July 1990 - April 1991

• Assistant Chief
• Neurosurgery Service
• Walter Reed Army Medical Center
• Washington, D.C. 20307-5001
• April 1991 - June 1992

• Acting Chief
• Neurosurgery Service
• Acting Neurosurgery Residency Program Director
• Walter Reed Army Medical Center
• Washington, D.C. 20307-5001
• June 1992 - Sept 1992

• Assistant Chief
• Neurosurgery Service
• Walter Reed Army Medical Center
• Washington, D.C. 20307-5001
• Sept 1992 - July 1993

• Private Practice
• Tacoma, Washington
• July 1993 - Present

University Appointments:

• Clinical Assistant Professor
• Department of Medical & Surgical Neurology
• Texas Tech University of Health Sciences
• School of Medicine
• Lubbock, Texas 79430
• Jan 1988 - Jan 1991

• Assistant Professor of Surgery
• Uniformed Services University of the
• Health Sciences
• F. Edward Hebert School of Medicine
• Bethesda, Maryland 20814-4799
• April 1990 - Present

• Clinical Full Professor of Neurological Surgery
• Department of Neurological Surgery
• University of Washington
• Seattle, Washington 98104
• October 2006 - Present

National Board of Medical Examiners:

• Diplomat (Number 228440), July 1981

American Board of Neurological Surgery:

• Diplomat, May 1990

Licensure:

• Arizona, 1984 - 1986
• Arizona, 1987 - Present
• Pennsylvania, 1988 - Present
• Washington, 1993 - Present

Advanced Trauma Life Support (ATLS):

• Certified Instructor, 1988 - 1995

Scientific Journal Reviewer:

• Neurosurgery

Honors:

1. National Honor Society Science Award (1972)
2. Tau Beta Pi (National Engineering Honor Society) (1975)
3. Honors Program in Biomedical Engineering (1976)
4. Resident Award Paper, Rocky Mountain Neurosurgical Society (1983), Experience with Brain Abscess at the Barrow Neurological Institute
5. Resident Award Paper (Second Place), Federation of Western Societies of Neurological Science (1985), Recent Experience with Chemonucleolysis
6. Resident Award Paper, Federation of Western Societies of Neurological Science (1986), A Comparison of the Cerebral Protective Effects of Isoflurane and Barbiturates During Temporary Focal Ischemia in Primates
7. Charles A. Elsberg Fellowship in Neurological Surgery, New York Academy of Medicine (1986/1987)

Memberships:

• American Association of Neurological Surgeons
• American College of Surgeons
• Congress of Neurological Surgeons
• Pierce County Medical Society
• Washington State Medical Society

Hospital Committees:

• St. Joseph's Hospital & Medical Center, (1981-86)
• Phoenix, Arizona
• Medical Education Committee
• Ethics Committee Advisory Group
• Medical Ethics Committee
• Trauma Committee
• Joint Orthopedic and Neurosurgical Intra-Discal Therapy Committee
• House staff Association - President (Jan 1985-July 1986)
• Oliver Wendell Holmes Society - Co-founder

• William Beaumont Army Medical Center, (1987-90)
• El Paso, Texas
• Department of Surgery Committee

• Walter Reed Army Medical Center, (1990-93)
• Washington, D.C.
• Department of Surgery Committee

• St. Joseph's Hospital, (1993-Present)
• Tacoma, Washington
• Surgery Leadership Committee
• Medical Research Committee

• Tacoma General & Mary Bridge Hospitals, (1993-Present)
• Tacoma, Washington
• Surgery Committee
•      Chairman 1999-2001
• Critical Care Committee
• Trauma Committee
• Executive Committee

• Good Samaritan Hospital, (1993-Present)
• Puyallup, Washington
• Emergency Services Committee
• Trauma Committee

Publications:

1. Saha S, Nehls DG: The dynamic shear properties of compact bone. Proceedings Orthopedic Research Society, 1977
2. Pysh JJ, Nehls DG: Depletion of dense cored vesicles in axon terminals of cat superior cervical ganglia following electrical stimulation. Proceedings Society for Neurosciences, 1978
3. Nehls DG, Pittman HW: Spontaneous regression of arteriovenous malformations. Neurosurgery 11:776-780, 1982
4. Nehls DG, Crowell RM: Recent Experience with Brain Abscess at the Barrow Neurological Institute. Arizona Medicine 40:838-843, 1983
5. Hayashi S, Nehls DG, Kieck CF, Vielma J, DeGirolami U, Crowell RM: Beneficial effects of induced hypertension on experimental stroke in awake monkeys. J Neurosurg 60:151-157, 1984
6. Nehls DG, Shetter AG, Hodak JA, Waggener JD: Chronic spinal epidural hematoma presenting as lumbar stenosis: clinical, myelographic and computed tomographic features. Neurosurgery 14:230-233, 1984
7. Gaines C, Nehls DG, Suess DM, Waggener JD, Crowell, RM: Effect of naloxone on experimental stroke in awake monkeys. Neurosurgery 14:308-314, 1984
8. Nehls DG, Crowell RM: Current Therapy of Brain Abscess. In Infectious Diseases of the Central Nervous System. Thompson RA and Green JR (eds) Spectrum Publications, 1984
9. Nehls DG, Carter LP: Air embolism through a ventriculoatrial shunt, an unusual complication. Neurosurgery 16:83-84, 1984
10. Nehls DG, Crowell RM: LETTER TO EDITOR: Beneficial effects of induced hypertension. J Neurosurg 61:415, 1984
11. Rossman KJ, Speiser B, Shetter AG, Nehls D: Stereotactic afterloading iridium implants in the treatment of high grade astrocytomas. Endocurie Hypertherm, 1985
12. Nehls DG, Sonntag VKH, Murphy AR, Johnson PC, Waggener JD: Fibroblastic tumor of the abducens nerve. J Neurosurg 62:296-299, 1985
13. Nehls DG, Marano SR, Spetzler RF: Transcallosal approach to the contralateral ventricle: A technical note. J Neurosurg 62:304-306, 1985
14. Nehls DG, Shetter AG, Rossman KJ: Interstitial irradiation of malignant brain tumors. Barrow Neurological Institute Quarterly 1:34-39, 1985
15. Nehls DG, Harrington TR, Green JR: Recent experience with chemonucleolysis: Community standards and factors affecting outcome. Arizona Medicine 42:74-78, 1985
16. Nehls DG, Marano SR, Spetzler: Positional intermittent occlusion of the internal carotid artery. J Neurosurg 62:435- 437, 1985
17. Cartwright MJ, Nehls DG, Carrion CA, Spetzler RF: Synovial cyst of a cervical facet joint, case report. Neurosurgery 16:850-852, 1985
18. Nehls DG, Carter LP: Multiple unusual aneurysms and arteriovenous malformations in a single patient. A case report. Neurosurgery 17:97-100, 1985
19. Nehls DG, Flom RA, Carter LP, Spetzler RF: Multiple intracranial aneurysms; identifying the site of rupture. J Neurosurg 63:342-348, 1985
20. Nehls DG, Wilson CB, Zabramski JM, Spetzler RF: Treatment of intracranial aneurysms. In Stroke. Thompson RA and Spetzler RF (eds), Spectrum Publications, 1985
21. Nehls DG, Shetter AG, Sonntag VKH, Spetzler RF: Application of new technology in the treatment of cerebellopontine angle tumors. In Clinical Neurosurgery. 1985
22. Nehls DG, Spetzler RF: COMMENTS: "Potential roles for early revascularization in acute cerebral ischemia." by Batjer et al. Neurosurgery 18:291, 1986
23. Nehls DG, Cartwright MJ, Spetzler RF: LETTER TO EDITOR: Modification of transorbital approach for experimental stroke model. Neurosurgery 18:388-389,
24. Nehls DG, Spetzler RF: Cerebral protection against ischemia, Part I. Barrow Neurological Institute Quarterly, 1986
25. Nehls DG, Spetzler RF: Cerebral protection against ischemia, Part II. Barrow Neurological Institute Quarterly, 1986
26. Nehls DG, Spetzler RF: Cerebral protection against ischemia, Part III. Barrow Neurological Institute Quarterly, 1986
27. Nehls DG, Todd MM, Spetzler RF, Drummond J, Thompson RA, Johnson PC: A comparison of the cerebral protective effects of isoflurane and barbiturates during temporary focal ischemia in primates. Anesthesiology 66:453-464, 1987
28. Spetzler RF, Nehls DG: Cerebral protection against ischemia. In Cerebral Blood Flow: Physiologic and Clinical Aspects. Wood JH (ed.), McGraw Hill, 1987
29. Spetzler RF, Nehls DG, Awad IA: Ischemia and infarction, surgical treatment. In Handbook of Clinical Neurology. Toole J (ed), Elsevier Press, 1989
30. Nehls DG, Mendelow AD, Graham DI, Sinar EJ, Teasdale GM: Experimental intracerebral hemorrhage; The progression of hemodynamic changes following production of a spontaneous mass. Neurosurgery 23:439-444, 1988
31. Nehls DG, Mendelow AD, Graham DI, Teasdale GM: Experimental intracerebral hemorrhage; Early removal of a spontaneous mass lesion improves late outcome. J. Neurosurg 27:674-682, 1990
32. Spetzler RF, Grahm TW, Nehls DG: Overview of cerebral ischemia: Rationale for cerebral protection. In Advances in Surgery for Cerebral Stroke. Suzuki J (ed.), Springer-Verlag, 1988
33. Park CK, Nehls DG, Graham DI, Teasdale GM, McCulloch J: The glutamate antagonist, MK-801 reduces focal ischemic brain damage in the rat. Ann Neurol 24:543-551, 1988
34. Park CK, Nehls DG, Graham DI, Teasdale GM, McCulloch J: Focal cerebral ischemia in the cat: Treatment with the glutamate antagonist MK-801 after induction of ischemia. Journal of Cerebral Blood Flow and Metabolism 8:757-762, 1988
35. Nehls DG, Park CK, McCulloch J: The effects of N-methyl-D- aspartate (NMDA) receptor blockade upon local cerebral glucose utilisation and local cerebral blood flow. Soc Neurosci Abst 13:1031, 1987
36. Park CK, Nehls DG, Teasdale GM, McCulloch J: Effect of the NMDA antagonist, MK-801 on local cerebral blood flow in focal cerebral ischaemia in the rat. Journal of Cerebral Blood Flow and Metabolism 9:617-622, 1989
37. Nehls DG, Kurumaji A, Park CK, McCulloch J: Differential effects of competitive and non-competitive N-methyl-D-aspartate antagonists on glucose use in the limbic system. Neuroscience Letters 91:204-210, 1988
38. Graham DI, Ozyuri E, Park CK, Nehls DG, Teasdale GM, McCulloch J: Protective effects of the NMDA antagonist, MK- 801, on focal ischaemic brain damage. Clinical Neuropathology 7:168, 1988
39. McCulloch J, Ozyuri E, Park CK, Nehls DG, Teasdale GM, Graham DI: Effects of MK-801 in experimental models of focal cerebral ischaemia in the cat and rat. In Proceedings of the 2nd International Symposium on the Pharmacology of Cerebral Ischemia. Krieglstein T (ed.) CRC Press, 1989
40. Kurumaji A, Nehls DG, Park CK, McCulloch J: Effects of NMDA antagonists, MK-801 and CPP, upon local cerebral glucose use. Brain Research 496:268-284, 1989
41. McCulloch J, Ozyurt E, Park CK, Nehls DG, Teasdale GM, Grahm DI: Glutamate receptor antagonists in experimental focal cerebral ischaemia In Causes and Mechanisms of Secondary Brain Damage - Current State. Baethman A (ed.) Springer Verlag
42. Nehls DG, Park CK, McCulloch J: Cerebral circulatory effects of dizocilpine (MK-801) in the rat. Journal of Cerebral Blood Flow and Metabolism 9 (Suppl.) 1989 (in press)
43. McCulloch J, Kurumaji A, Park CK, Nehls DG: Cerebrovascular and metabolic consequences of N-methyl-D-aspartate (NMDA) receptor blockade. Proceedings of Symposium on Neurotransmission and Cerebral Blood Flow, 1989
44. McCulloch J, Park CK, Nehls DG, Ozyurt E, Teasdale GM, Graham DI: NMDA receptors: importance to cerebrovascular pharmacology and pathophysiology. Proceedings of Symposium on Neurotransmission and Cerebral Blood Flow, 1989
45. Nehls DG, Park CK, MacCormack AG, McCulloch J: The effects of N-methyl-D-aspartate receptor blockade with MK-801 upon the relationship between cerebral blood flow and glucose utilisation. Brain Research 511:271-279, 1990
46. Nehls DG: COMMENTS: "Ruptured aneurysm at the origin of the accessory middle cerebral artery: case report." by Kawabara et al. Neurosurgery 26:322, 1990
47. Nehls DG: COMMENTS: "The frequency dependent behavior of cerebral autoregulation." by Giller, CA Neurosurgery 27:368, 1990
48. Nehls DG: COMMENTS: "Brain stem abscess treated successfully by medical therapy." by Ruelle et al. Neurosurgery 28:745, 1991
49. Nehls DG: COMMENTS: "Spinal Charcot arthropathy." by Harrison et al. Neurosurgery 28:277, 1991
50. Brandvold BE, Nehls DG: Middle cerebral artery aneurysms. In Neurosurgical Operative Atlas. Rengachary SS and Wilkins RH (eds.), Williams and Wilkins, (in press)
51. McCulloch J, Ozyurt E, Park CK, Nehls DG, Teasdale GM, Graham DI: Glutamate receptor antagonists in experimental focal cerebral ischaemia. Acta Neurochir Suppl (Wien) 57:73-79, 1993
52. Armonda RA, Nehls DG: Multiple intracranial aneurysms. In Neurovascular Surgery. Spetzler RF and Carter LP (eds.), McGraw Hill, 1994

Presentations:

1. Nehls DG, Saha S: The shear properties of compact bone at various strain rates. Yale University Summer Research Program, New Haven, August 1975
2. Saha S, Nehls DG: The dynamic shear properties of compact bone. Orthopedic Research Society, Las Vegas, 1977
3. Pysh JJ, Nehls DG: Depletion of dense cored vesicles in axon terminals of cat superior cervical ganglia following electrical stimulation. Society for Neuroscience, St. Louis, 1978
4. Nehls DG, Crowell RM: Current therapy of brain abscess. Ninth Annual Symposium, Barrow Neurological Institute, Scottsdale, Arizona, February 1982
5. Nehls DG, Gaines C, Crowell RM: The effect of naloxone on experimental stroke in awake monkeys. Eighth International Joint Conference on Stroke and Cerebral Circulation, San Diego, February 1983
6. Gaines C, Nehls DG, Waggener JD, Crowell RM: Naloxone in the treatment of experimental stroke in awake monkeys. Eleventh International Symposium on Cerebral Blood Flow and Metabolism, Paris, June 1983
7. Nehls DG, Crowell RM: Experience with brain abscess at the Barrow Neurological Institute. Rocky Mountain Neurosurgical Society, Mescalero, New Mexico, June 1983
8. Nehls DG, Carter LP, Flom RF: Multiple intracranial aneurysms. Rocky Mountain Neurosurgical Society, Mescalero, New Mexico, June 1983
9. Nehls DG, Flom RA, Carter LP, Spetzler RF: Multiple intracranial aneurysms; Identifying the site of rupture. Federation of Western Societies of Neurological Sciences, Napa, California, February 1984
10. Wilson CB, Nehls DG, Zabramski JM, Spetzler RF: Treatment of intracranial aneurysms. Eleventh Annual Symposium, Barrow Neurological Institute, Scottsdale, Arizona, February 1984
11. Nehls DG, Flom RA, Carter LP, Spetzler RF: Multiple intracranial aneurysms; Identifying the site of rupture. American Association of Neurological Surgeons Annual Meeting, San Francisco, April 1984
12. Nehls DG, Flom RA, Carter LP, Spetzler RF: Multiple intracranial aneurysms; Identifying the site of rupture. Neurosurgical Society of America, San Diego, May 1984
13. Nehls DG, Shetter AG, Sonntag VKH, Spetzler RF: Application of new technology in the treatment of cerebellopontine angle tumors. Congress of Neurological Surgeons Annual Meeting, New York, October 1984
14. Nehls DG: The Barrow Neurological Institute experience with chemonucleolysis. Update on Chemonucleolysis, Phoenix, October 1984
15. Shetter AG, Raudzens PA, Nehls DG: A comparison of intraoperative somatosensory evoked potentials recorded from scalp and spinal epidural electrodes. Joint Section on Spinal Disorders AANS/CNS, Grenelefe, Florida, February 1985
16. Nehls DG, Green JR, Harrington TR: Chemonucleolysis: recent community standards and factors affecting outcome. Joint Section on Spinal Disorders AANS/CNS, Grenelefe, Florida, February 1985
17. Shetter AG, Rossman KJ, Nehls DG: Interstitial radiation of tumors. Twelfth Annual Symposium, Barrow Neurological Institute, Scottsdale, Arizona, February 1985
18. Nehls DG, Green JR, Harrington TR: Recent experience with chemonucleolysis. Federation of Western Societies of Neurological Science, San Diego, February 1985
19. Nehls DG, Green JR, Harrington TR: Chemonucleolysis: community standards and factors affecting outcome. Southern Neurosurgical Society, Scottsdale, Arizona, March 1985
20. Nehls DG, Todd MM, Spetzler RF, Thompson RA, Johnson PC: Evaluation of isoflurane as a cerebral protective agent during six hour focal ischemia in primates. Society of Neurological Surgeons, Phoenix, May 1985
21. Raudzens PA, Nehls DG, Shetter AG: Motor evoked potentials. Society of Neurological Surgeons, Phoenix, May 1985
22. Nehls DG, Green JR, Harrington TR: Experience with the re- introduction of chemonucleolysis in the United States: current practices and results. Eighth International Congress of Neurological Surgery, Toronto, July, 1985
23. Zabramski JM, Spetzler RF: Chronic cerebral vasospasm: Effect of volume and timing of hemorrhage in a canine model. Eighth International Congress of Neurological Surgery, Toronto, July, 1985 (Presented for Dr. Zabramski)
24. Hadley MN, Sonntag VKH: Axis fractures: A comprehensive review of management and treatment in 107 cases. Eighth International Congress of Neurological Surgery, Toronto, July, 1985 (Presented for Dr. Hadley)
25. Nehls DG, Raudzens PA, Shetter AG, Mendenhal SE, Spetzler RF: A study of motor evoked potentials in primates. Congress of Neurological Surgeons Annual Meeting, Honolulu, October, 1985
26. Todd MM, Nehls DG, Drummond JC, Spetzler RF, Thompson RA, Johnson PC: A comparison of the protective effects of isoflurane and thiopental in a primate model of temporary focal cerebral ischemia. Society of Anesthesiologists Annual Meeting, San Francisco, October, 1985
27. Harrington TR, Nehls DG: A comparison of chemonucleolysis and microdiscectomy, Joint Section on Spinal Disorders AANS/CNS, San Diego, February 1986
28. Nehls DG, Todd MM, Spetzler RF, Thompson RA, Johnson PC: A comparison of the protective effects of isoflurane and thiopental in a primate model of temporary focal cerebral ischemia. Federation of Western Societies of Neurological Science, San Francisco, February 1986
29. Nehls DG, Todd MM, Spetzler RF, Thompson RA, Johnson PC: A comparison of the protective effects of isoflurane and barbiturates. Research Society of Neurological Surgeons, Phoenix, March 1986
30. Shetter AG, Raudzens PA, Nehls DG: Limitations of intraoperative somatosensory evoked potential monitoring and possible alternatives. Research Society of Neurologi cal Surgeons, Phoenix, March 1986
31. Harrington TR, Nehls DG: Comparing outcomes in disc surgery. Research Society of Neurological Surgeons, Phoenix, March 1986
32. Nehls DG, Todd MM, Spetzler RF: Isoflurane is not protective against temporary focal ischemia in primates. American Association of Neurological Surgeons Annual Meeting, Denver, April 1986
33. Nehls DG, Todd MM, Spetzler RF: Isoflurane is not protective against temporary focal ischemia in primates. Trends in Neurosurgery, Vienna, May 1986
34. Nehls DG, Raudzens PA, Shetter AG, Spetzler RF: Motor evoked potentials. Trends in Neurosurgery, Vienna, May 1986
35. Nehls DG: Clinical implications of cerebral blood flow. Physiology Honors Symposium, University of Glasgow, Wellcome Surgical Research Institute, Glasgow, Scotland, December 1986
36. Nehls DG, Spetzler RF: Cerebral protection against ischemia. Neurology-Neurosurgery Grand Rounds, Institute of Neurological Sciences, Southern General Hospital, University of Glasgow, Scotland, February 1987
37. Nehls DG, Park CK, McCulloch J: The effects of N-Methyl-D- Aspartate (NMDA) receptor blockade upon local cerebral glucose utilisation and local cerebral blood flow. Society for Neuroscience, New Orleans, November 1987
38. Park CK, Nehls DG, Ozyurt E, McCulloch J: Ischemic brain damage is reduced by systemic administration of the N-Methyl- D-Aspartate (NMDA) antagonist, MK-801. Society for Neuroscience, New Orleans, November 1987
39. Kurumaji A, Nehls D, Park C, McCulloch J: Comparative study of competitive and non-competitive N-methyl-D-aspartate receptor antagonists and cerebral glucose utilisation. British Pharmacological Society, London, January 1988
40. Graham DI, Ozyurt E, Park CK, Nehls DG, Woodruff JN, McCulloch J, Teasdale GM: Protective effects of the NMDA antagonist, MK-801, on focal ischemic brain damage. Sixteenth Princeton Conference on Cerebral Ischemia, Miami, March 1988
41. Nehls DG, Mendelow AD, Graham DI, Teasdale GM: Experimental intracerebral hemorrhage: Early removal of a spontaneous mass lesion inproves late outcome. American Association of Neurological Surgeons Annual Meeting, Toronto, April 1988
42. Nehls DG, Park CK, Graham DI, McCulloch J: Pre or post-treatment with the glutamate antagonist MK-801 reduces ischemic damage after MCA occlusion in the rat. American Association of Neurological Surgeons Annual Meeting, Toronto, April 1988
43. Graham DI, Ozyuri E, Park CK, Nehls DG, Teasdale GM, McCulloch J: Protective effects of the NMDA antagonist, MK- 801, on focal ischaemic brain damage. Third European Meeting of Neuropathology
44. McCulloch J, Ozyuri E, Park CK, Nehls DG, Teasdale GM, Graham DI: Effects of MK-801 in experimental models of focal cerebral ischaemia in the cat and rat. Second International Symposium on the Pharmacology of Cerebral Ischemia
45. McCulloch J, Kurumaji A, Park CK, Nehls DG: Cerebrovascular and metabolic consequences of N-methyl-D-aspartate (NMDA) receptor blockade. Symposium on Neurotransmission and Cerebral Blood Flow, 1989
46. McCulloch J, Park CK, Nehls DG, Ozyurt E, Teasdale GM, Graham DI: NMDA receptors: Importance to cerebrovascular pharmacology and pathophysiology. Symposium on Neurotransmission and Cerebral Blood Flow, 1989
47. Nehls DG: What's New in Neurosurgery. Tacoma Surgical Club Surgery Update 1994, April 1994
48. Nehls DG: Tic Douloureux & Syringomyelia. Good Samaritan Hospital Grand Rounds, June 1994
49. Nehls DG: Intracerebral Hemorrhage. Tacoma Academy of Internal Medicine. January 1995
50. Nehls DG: Advances in Neurosurgical Critical Care. Tacoma Surgical Club Surgery Update 1996. April 1996
51. Nehls DG: Disorders at the Craniocervical Junction. Tacoma Orthopaedic Society. May 1996
52. Nehls DG: Frameless Stereotaxic Neurosurgery. Pierce County Medical Society Meeting. April 1998
53. Nehls DG: Cervical Disc Disease, Surgical and Non-surgical Treatment. Pierce County Medical Society. April 2004
54. Nehls DG: Total Disc Replacement. Pierce County Medical Society. April 2006
55. Nehls DG: Gamma Knife - Brain Surgery Without a Scalpel. Pierce County Medical Society. January 2007
56. Kovalsky D, Urban C, Maiman J, Taha J, Nehls DG, Sanden RGS, Shahi K, Aslie A, Marshall LF, Varma AK, Sandhu FA, Moriarty JL, Crawford M, Knapp K: Anterior Cervical Decompression and Fusion for Degenerative Disc Disease Treated with a Second-Generation Translational Cervical Plate: Early Evaluation of a Prospective, Multi-Center Study. Congress of Neurological Surgeons. San Diego. September 2007