TY  - BOOK
AU  - Duffy,Benedict J.
AU  - Paxton,Mary Jean Wallace
TI  - Biological and medical aspects of contraception
U1  - 613.94 
PY  - 1969///
CY  - Notre Dame
PB  - University of Notre Dame Press
KW  - Contraception
N1  - Includes bibliographical references
ER  -