TY - BOOK AU - Le,Tao AU - Vierregger,Kristen TI - First aid Q & A for the USMLE step 2 CK SN - 9780071625715 PY - 2010/// CY - New York PB - McGraw-Hill Medical KW - Clinical medicine KW - Educational measurement KW - Licensure, Medical KW - Medicine KW - Examination Questions ER -