TY  - BOOK
AU  - Cunningham, F. Gary.
AU  - MacDonald, Paul C.,
AU  - Williams, J. Whitridge
TI  - Williams obstetrics
SN  - 083859736X
PY  - 1989///
CY  - Norwalk, Conn.
PB  - Appleton & Lange
KW  - Obstetrics
N1  - Includes bibliographical references
ER  -