TY - BOOK AU - Le,Tao TI - First Aid Q&A for the USMLE Step 1 SN - 9780071744027 PY - 2012/// CY - New York PB - McGraw-Hill Medical KW - Medicine KW - United States KW - Examinations N1 - Previous ed.: published as by Tao Le. 2009; Includes index ER -