International study of kidney disease in children.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007391:International Cooperation; D007674:Kidney Diseases / Q000188:drug therapy; D007678:Kidney Glomerulus / Q000473:pathology; D009404:Nephrotic Syndrome / Q000188:drug therapy / Q000473:pathology