TY - BOOK AU - Austin, C R (ed) AU - Perry, J S (ed) AU - Symposium on British pharmacological society on drug action(1964:Middlesex) TI - Agents affecting fertility CY - London KW - Antifertility vaceines KW - Birth control drugs KW - Fertility regulation KW - Fertility, human KW - Immunological vaceines contraception KW - Spermatogenes is chemical control ER -