Le, Tao First aid for the USMLE step 1, 2014 : a student to student guide / Tao Le ... [et al.]. - 2014 ed. - New York : McGraw-Hill Medical Pub. Div., c2014. - viii, 752 p. : ill. 28 cm. Includes index. ISBN: 9780071831420 Subjects--Topical Terms: MedicinePhysicians LC Class. No.: R834.5 / .F518 2014 National Library of Medicine Call No.: WB 18.2 / .L4 2014