Breast-feeding, gastrointestinal and lower respiratory illness in the first two years.
D001315:Australia; D001942:Breast Feeding; D002675:Child, Preschool; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D013997:Time Factors