[Longitudinal fertility study in the Socialist Republic of Romania].
D001723:Birth Rate; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006801:Humans; D007231:Infant, Newborn; D008137:Longitudinal Studies; D011247:Pregnancy; D012383:Romania; D012424:Rural Population; D012494:Sampling Studies; D014505:Urban Population
Eude longitudinale de la fertilité dans la République Socialiste de Roumanie.