TY - BOOK AU - Yotis, William W. AU - Blumenthal, Harold J.;Hashimoto, Tadayo. ED - ED - ED - ED - TI - : for the USMLE, step 1 SN - 838500595 SN - 2 PY - 1993///];copyright 1993.46 CY - Norwalk, Conn. PB - Appleton & Lange KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Examinations, questions, etc.;Examinations, questions, etc.;examination and questions.;examination questions KW - Medical microbiology;Immunology;Allergy and Immunology;Microbiology N1 - Includes bibliographical references; 5 ER -