TY  - BOOK
AU  - William F. Rayburn 
AU  - D. Michael Nelson
AU  - Leslie Myatt
TI  - Obstetrics and Gynecology Clinics: The human placenta in health and disease
SN  - 0889-8545
PY  - 2020///
CY  -  John F. Kennedy , Philadelphia , Pennsylvania, 19103-2899 
PB  - Elsevier 
KW  - Obstetrics and Gynecology
N1  - Volume: 47
Number: 1
2020
ER  -