title: Fertility patterns of two New Guinea populations: Karkar and Lufa.
mesh_terms: D000293:Adolescent; D000328:Adult; D000531:Altitude; D002648:Child; D003267:Contraception; D004493:Education; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008875:Middle Aged; D009512:New Guinea; D011158:Population Growth; D012959:Socioeconomic Factors