Malnutrition, infection, and socio-economic status.
D002675:Child, Preschool; D003968:Diarrhea, Infantile / Q000150:complications*; D006798:Housing; D006801:Humans; D007223:Infant; D007239:Infections / Q000150:complications; D009748:Nutrition Disorders / Q000150:complications*; D012959:Socioeconomic Factors