TY - BOOK AU - Mehta,Samir TI - Step-up : a high yield, system-based review for the USMLE step 1 SN - 068330755x U1 - 616.0076 M4987 2000 PY - 0000/// CY - PB - KW - sears KW - Clinical medicine KW - sear N1 - Includes index; 600-699 ER -