Abdulhak, M., & Marzouk, S. (2006). Challenging cases in spine surgery. Thieme.
Lua i Stíl Chicago (17ú heag.)Abdulhak, Muwaffak, agus Shaden Marzouk. Challenging Cases in Spine Surgery. New York: Thieme, 2006.
Lua MLA (9ú heag.)Abdulhak, Muwaffak, agus Shaden Marzouk. Challenging Cases in Spine Surgery. Thieme, 2006.
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