“Stiffness, Viscosity, and Upper Limb Inertia About the Glenohumeral Abduction Axis.”
L. Zhang, Ph.D.; G. Portland, M.D.; G. Wang, M.S.; C. DiRaimondo, M.D.; G. Nuber, M.D.; M. Bowen, M.D.; and R. Hendrix, M.D. Journal of Orthopaedic Research. 18(1): 94-100, Jan. 2000. “Acute Surgical Management of Jones’ Fractures. Portland G, Kelikian A, and Kodros S. Foot and Ankle International. 24(11): 829-33, 2003.
“Injury to the Infrapatellar Branch of the Saphenous Nerve in Anterior Cruciate Ligament Reconsturction: Comparison of Horizontal Versus Vertical Harvest Site Incisions.” Portland GH, Martin D, Keene G, and Menz T. Arthroscopy. 21(3): 281-285, 2005.
Clinical Instructor, University of Chicago Medicine School, Department of Orthopaedic Surgery 2009 – present
Clinical Instructor, Northwestern University Medical School, Department of Orthopaedic Surgery, Chicago, Illinois 2001 - 2009
Team Physician, Northwestern University 2001 – 2009
Team Physician, Glenbrook North High School 2003 – present
Orthopaedic Consultant, Chicago Griffins Rugby Club, 2001 - present