Socioeconomic development, medical care, and nutrition as determinants of infant mortality in less-developed countries.
D003906:Developing Countries; D006296:Health Services / Q000600:supply & distribution*; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008962:Models, Theoretical; D009752:Nutritional Status; D012306:Risk; D012959:Socioeconomic Factors