title: Rapid, selective separation of 1 alpha, 25-dihydroxy-vitamin D3 from serum with Extrelut-1 columns.
mesh_terms: D000328:Adult; D002117:Calcitriol / Q000097:blood* / Q000302:isolation & purification; D002845:Chromatography / Q000379:methods; D006801:Humans; D014316:Tritium
chemical_list: D014316:Tritium; D002117:Calcitriol