Epidemic rickets in Sydney.
D000592:Amino Acid Metabolism, Inborn Errors / Q000235:genetics; D001315:Australia; D001942:Breast Feeding; D002675:Child, Preschool; D005006:Ethnicity; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012279:Rickets / Q000175:diagnosis / Q000453:epidemiology* / Q000517:prevention & control