TY  - BOOK
AU  - Parkes,A.S.
ED  - International Planned Parenthood Federation.
TI  - Fertility regulation during human lactation: proceedings of the sixth IPPF Biomedical Workshop, held in London, 23rd and 24th November 1976 
T2  - Supplement - Journal of biosocial science ; no. 4
AV  - RG136 
PY  - 1977///
CY  - Cambridge [Eng.]
PB  - Galton Foundation
KW  - Contraception
KW  - Lactation
KW  - Amenorrhea, Lactation
KW  - Breastfeeding
KW  - Oral contraceptives
ER  -