title: Tear sodium, potassium, chloride, and calcium at various flow rates: children with cystic fibrosis and unaffected siblings with and without corneal staining.
mesh_terms: D002118:Calcium / Q000032:analysis; D002648:Child; D002712:Chlorides / Q000032:analysis; D003315:Cornea / Q000473:pathology; D003550:Cystic Fibrosis / Q000378:metabolism* / Q000473:pathology; D005123:Eye / Q000473:pathology; D005452:Fluoresceins; D006801:Humans; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis; D013194:Staining and Labeling; D013666:Tears / Q000032:analysis*
chemical_list: D002712:Chlorides; D005452:Fluoresceins; D012964:Sodium; D011188:Potassium; D002118:Calcium