[A new trend in birth control practices].
D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005193:Family Planning Services; D006801:Humans; D009014:Morals; D011155:Population Control; D012959:Socioeconomic Factors
D003276:Contraceptives, Oral
Una svolta nel costume del controllo delle nascite.