The epidemiology of gastro-enteritis in infancy. II.
D002675:Child, Preschool; D004032:Diet; D004755:Enterobacteriaceae / Q000472:pathogenicity; D004777:Environment; D005006:Ethnicity; D005759:Gastroenteritis / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012959:Socioeconomic Factors; D013019:South Africa