[Symposium on the regulation of fertility, Havana Jan 30--Feb. 2, 1978].
D003226:Congresses as Topic; D003267:Contraception; D003462:Cuba; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D014944:World Health Organization
Symposium o regulaci plodnosti Havana, 30. 1.--2. 2. 1978.