Baker Peter USMLE step 1. - St. Louis, Mo. : Mosby, 2002. - xiii, 314 p. : ill. ; 1 CD-ROM (4 3/4 in.) LC copy 1 lacking CD-ROM. ISBN: 0323008410 (pbk.) Subjects--Topical Terms: MedicineMedical sciences LC Class. No.: RB118 / .B34