Child survival.
D000293:Adolescent; D000328:Adult; D000375:Aging / Q000502:physiology; D002648:Child; D003695:Delivery of Health Care / Q000592:standards; D003906:Developing Countries; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D009026:Mortality; D011315:Preventive Medicine; D015980:Public Health Practice; D011788:Quality of Life