Physiological control of population growth.
D003267:Contraception; D006801:Humans; D011158:Population Growth; D011374:Progesterone / Q000494:pharmacology*; D013498:Suramin / Q000494:pharmacology*; D013501:Surface-Active Agents / Q000494:pharmacology*
D013501:Surface-Active Agents; D011374:Progesterone; D013498:Suramin
CONTRACEPTION; PROGESTERONE/effects; SURAMIN/effects; SURFACE-ACTIVE SUBSTANCES/effects