title: A methodological study of the diagnosis of cystic fibrosis by instrumental neutron activation analysis of sodium in nail clippings.
mesh_terms: D000201:Activation Analysis; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000378:metabolism; D006801:Humans; D008722:Methods; D009262:Nails / Q000032:analysis*; D012964:Sodium / Q000032:analysis*; D013542:Sweat / Q000032:analysis; D013997:Time Factors
chemical_list: D012964:Sodium