title: [Plasma 25-hydroxyvitamin D concentration in children with the symptoms of rickets].
mesh_terms: D002112:Calcifediol / Q000097:blood*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011044:Poland; D012279:Rickets / Q000097:blood* / Q000175:diagnosis; D012424:Rural Population; D012737:Sex Factors; D014505:Urban Population
chemical_list: D002112:Calcifediol
vernacular_title: Stezenie 25-hydroksywitaminy D w osoczu dzieci z objawami krzywicy.