TY - BOOK TI - First Aid for the USMLE Step 1 2012 /|cTao Le ... [et al.] SN - 9780071326971 PY - 2012/// CY - New York : : PB - McGraw-Hill Medical,, KW - Medicine--United States Examinations--Study notes. Medicine--Outlines. Licensure, Medical|zUnited States N1 - Includes index ER -