HASSAN, A. U. (2013). Platinum notes: :USMLE STEP -1. Jaypee Brothers Medical Publishers.
Lua i Stíl Chicago (17ú heag.)HASSAN, Ashfaq UI. Platinum Notes: :USMLE STEP -1. Jaypee Brothers Medical Publishers, 2013.
Lua MLA (9ú heag.)HASSAN, Ashfaq UI. Platinum Notes: :USMLE STEP -1. Jaypee Brothers Medical Publishers, 2013.
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