TY  - BOOK
AU  - Sakala,Elmer Peter
TI  - USMLE step 2 ck :lecture notes 2017 obstetrics and gynecology
U1  - 610.72 
PY  - 2017///
CY  - NY
PB  - kaplan Medical
KW  - Obstetrics-Examinations-Study guides
ER  -