TY - BOOK AU - Barton,Thomas K. TI - Appleton & Lange's review for the USMLE step 1 / SN - 9780838503751 U1 - 610.76 PY - 1993/// CY - Norwalk, Conn. : PB - Appleton & Lange KW - Medicine KW - Examinations, questions, etc KW - Outlines, syllabi, etc ER -