
1β,25-Dihydroxyvitamin D3: A new vitamin D metabolite in human serum
Keywords: LC-MS/MS; Liquid chromatography tandem mass spectrometry; [1α,25(OH)2D3]; 1α,25-dihydroxyvitamin D3; ESI; electrospray ionization; APCI; atmospheric pressure chemical ionization; [24R,25(OH)2D3]; 24R,25-dihydroxyvitamin D3; [25S,26(OH)2D3]; 25S,26-dih