TY  - BOOK
AU  - William F. Rayburn 
AU  - Edward Chien
AU  - Brian M. Mercer
TI  - Obstetrics and Gynecology Clinics: Preterm premature rupture of membranes 
SN  - 0889-8545
PY  - 2020///
CY  -  John F. Kennedy , Philadelphia , Pennsylvania, 19103-2899
PB  -  Elsevier 
KW  - Obstetrics and Gynecology
N1  - Volume: 47
Number: 4
2020
ER  -