[Demography and contraception.  Part 1].
Hecht
J
J
D001723:Birth Rate; D003267:Contraception; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005193:Family Planning Services; D005602:France; D006285:Health Planning; D008393:Marriage; D009026:Mortality; D011153:Population; D011155:Population Control; D011157:Population Dynamics; D015397:Program Evaluation
Contraception; Demographic Effectiveness; Demographic Factors; Developed Countries; Europe; Family Planning; Family Planning Program Evaluation; Family Planning Programs; Fertility Rate; France; Marriage; Mediterranean Countries; Mortality; Population; Population Dynamics; Western Europe