Testing and clarifying a macro model of socioeconomic change and fertility.
D003906:Developing Countries; D004032:Diet; D004522:Educational Status; D005193:Family Planning Services; D005298:Fertility; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008402:Mass Media / Q000706:statistics & numerical data; D008962:Models, Theoretical; D010820:Physicians / Q000600:supply & distribution; D011153:Population; D012959:Socioeconomic Factors