TY  - BOOK
AU  - Yazbek, Cynthia C. ed.
AU  - Yazbek, Cynthia C. ed./
TI  - USMLE step 1 qbook
SN  - 9781419551499
U1  - 610.76  K141U 
CY  - New York
PB  - Kaplan publishing
ER  -