TY  - BOOK
AU  - Cunningham,F.
AU  - Leveno,Kenneth J.
AU  - Dashe,Jodi S.
AU  - Hoffman,Barbara L.
AU  - Spong,Catherine Y.
AU  - Casey,Brian M.
TI  - Williams obstetrics
SN  - 9781260462739
U1  - 618.2 
PY  - 2022///]
CY  - New York
PB  - McGraw Hill
KW  - Obstetrics
N1  - Includes bibliographical references and index
ER  -