The epidemiology of gastro-enteritis in infancy: I.
D000367:Age Factors; D001723:Birth Rate; D044383:Black People; D002675:Child, Preschool; D003968:Diarrhea, Infantile / Q000453:epidemiology; D005260:Female; D005759:Gastroenteritis / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D044469:Racial Groups; D012494:Sampling Studies; D012737:Sex Factors; D013019:South Africa; D044465:White People