TY  - BOOK
AU  - Briggs,M.H.
ED  - World Health Organisation. Symposium 
TI  - Pharmacological models in contraceptive development : : animal toxi city and side-effects in man. proceedings ... / 
PY  - 1974///
CY  - Stockholme : 
PB  - WHO , 
KW  - Contraceptive Agents
ER  -