TY  - GEN
AU  - Sakala , Elmar Peter.
AU  - Penalver , Manuel
TI  - USMLE Step -2: obstetrics and gynecology notes
U1  - 618.1 
PY  - 2002///
CY  - New York
PB  - Kaplan Medical
KW  - PHYSIOLOGY OF PREGNANCY
KW  - HUMAN GENETICS
KW  - GYNAECOLOGY
ER  -