TY  - BOOK
AU  - Cunningham F and Dashe J
TI  - Williams Obstetrics: 26th International Edition 
SN  - 978-1-264-59843-4
U1  - OG/618.2/CUN/B10077 
PY  - 2018///
CY  - New York
PB  - McGraw Hill
ER  -