[The influence of the social class on the course of labor in primiparae].
D005260:Female; D006801:Humans; D007360:Intelligence; D007558:Italy; D007743:Labor, Obstetric; D009321:Natural Childbirth; D010298:Parity; D011247:Pregnancy; D012959:Socioeconomic Factors
L'influenza della classe sociale sull'andamento del parto in primigravide.