title: Symbiotic relationship of high fertility, high childhood mortality and socio-economic status in an urban Peruvian population.
mesh_terms: D000328:Adult; D000367:Age Factors; D002648:Child; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D009026:Mortality; D010568:Peru; D012959:Socioeconomic Factors; D014505:Urban Population