Birth control vaccine research.
D006063:Chorionic Gonadotropin / Q000276:immunology*; D002986:Clinical Trials as Topic; D003267:Contraception / Q000379:methods*; D005260:Female; D006801:Humans; D014614:Vaccines, Synthetic / Q000009:adverse effects / Q000302:isolation & purification*
D006063:Chorionic Gonadotropin; D014614:Vaccines, Synthetic