title: Aging in developing countries.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009026:Mortality; D012744:Sex Ratio; D012959:Socioeconomic Factors; D013188:Sri Lanka