TY  - GEN
AU  - Winikoff, Beverly
AU  - Semeraro, Patricia
AU  - Zimmerman, Margot
TI  - Contraception during breastfeeding : a clinician's sourcebook
PY  - 1988///
CY  - [New York] : 
PB  - The Population Council
KW  - Contraception
KW  - Methods
KW  - Breast feeding
KW  - Lactation
ER  -