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by American Academy of Orthopaedic Surgeons (AAOS),; Thygerson, Alton L.; Thygerson, Steven M.
by Aaos
by AAOS
by American Academy of Orthopaedic Surgeons (AAOS)
by Backer, Howard D.; National Safety Council; Wilderness Medical Society
by American Academy of Orthopaedic Surgeons
by Barker, Howard D., M.D.; Bowman, Warren D., M.D.; Paton, Bruce C., M.D.; et al.