TY  - BOOK
AU  - Gassner F X ed.
ED  - Symposium on Reproduction and Fertility
ED  - Symposium on reproduction and fertility
TI  - Reproduction and infertility: proceedings
U1  - 573.6 
PY  - 1958///
CY  - London
PB  - Pergamon press
KW  - Contraception
KW  - Fertility
KW  - Reproduction
ER  -