Gann, N. (1998). Orthopaedic case studies. Aspen Pub.
Lua i Stíl Chicago (17ú heag.)Gann, Nancy. Orthopaedic Case Studies. Gaithersburg, MD: Aspen Pub, 1998.
Lua MLA (9ú heag.)Gann, Nancy. Orthopaedic Case Studies. Aspen Pub, 1998.
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