title: A clinical study of the diagnosis of cystic fibrosis by instrumental neutron activation analysis of sodium in nail clippings.
mesh_terms: D000201:Activation Analysis; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001724:Birth Weight; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics / Q000378:metabolism; D005260:Female; D006579:Heterozygote; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D008722:Methods; D009262:Nails / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
chemical_list: D012964:Sodium