TY - BOOK TI - Clinical vignettes for the USMLE step 1: self-assessment and review SN - 0071203451 (pbk) U1 - 610.71 PY - 2002/// CY - Singapore PB - McGraw-Hill KW - Medical science-Examination, questions, etc KW - Medicine-Examination, questions, etc KW - Study guide KW - IIMC N1 - Included bibliography ER -