[On demography in Third World countries].
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D000349:Africa; D000569:Americas; D001208:Asia; D001723:Birth Rate; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D005298:Fertility; D007843:Latin America; D008017:Life Expectancy; D008136:Longevity; D009026:Mortality; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012106:Research; D012107:Research Design
Africa; Americas; Asia; Birth Rate--changes; Demographic Factors--changes; Developed Countries; Developing Countries; Fertility; Fertility Measurements; Fertility Rate--changes; Latin America; Length Of Life; Life Expectancy; Measurement; Mortality--changes; Natural Increase; Population; Population Dynamics; Population Growth; Research Methodology