TY - BOOK ED - McGraw-Hill, inc. TI - Clinical vignettes for the USMLE step 1: PreTest self-assessment and review SN - 0071373764 (alk. paper) PY - 2002/// CY - New York PB - McGraw-Hill, Medical Pub. Division KW - Examination KW - Medicine N1 - Includes bibliographical references (p. 329-332) ER -