[Socio-medical aspects of regulating fertility in young married couples].
D001723:Birth Rate; D002031:Bulgaria; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D011247:Pregnancy; D012959:Socioeconomic Factors
Nĕkteré sociálnĕ lékarské aspekty regulace fertility u mladých manzelských párů.