Altitude and fertility: the confounding effect of childhood mortality--a Bolivian example.
D000293:Adolescent; D000328:Adult; D000531:Altitude; D001838:Bolivia; D002648:Child; D002675:Child, Preschool; D005260:Female; D005298:Fertility; D006801:Humans; D000860:Hypoxia / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D007247:Infertility, Female / Q000209:etiology; D008875:Middle Aged; D009026:Mortality; D011247:Pregnancy; D012494:Sampling Studies; D012959:Socioeconomic Factors