The sweat test: sodium and chloride values.
D002648:Child; D002712:Chlorides / Q000032:analysis*; D003550:Cystic Fibrosis / Q000175:diagnosis*; D006801:Humans; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis*; D013542:Sweat / Q000032:analysis*
D002712:Chlorides; D012964:Sodium; D011188:Potassium