TY  - BOOK
AU  - Williams,J.Whitridge
AU  - Hellman,Louis M.
AU  - Pritchard,Jack A.
TI  - Williams obstetrics
AV  - RG524 .W7 1971
U1  - 618.2 
PY  - 1971///
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Obstetrics
N1  - Includes bibliographies
ER  -