TY  - BOOK
AU  - Horsager,Robyn
AU  - Roberts,Scott W.
AU  - Rogers,Vanessa L.
AU  - Santiago-Muñoz,Patricia C.
AU  - Worley,Kevin C.
AU  - Hoffman,Barbara L.
TI  - Williams obstetrics
SN  - 9781259255564 (paperback)
U1  - 618.20076 
PY  - 2015///]
CY  - New York
PB  - McGraw-Hill Education Medical
KW  - Obstetrics
KW  - Problems, exercises, etc
N1  - Includes index
ER  -