Mason, R S A simplified assay for dihydroxylated vitamin D metabolites in human serum: application to hyper- and hypovitaminosis D. [electronic resource] - Clinical chemistry Mar 1980 - 444-50 p. digital Publication Type: Journal Article ISSN: 0009-9147 Subjects--Topical Terms: AdultAnimalsBiological AssayCarrier Proteins--metabolismChickensChromatography, High Pressure Liquid--methodsDihydroxycholecalciferols--bloodGastrectomyHumansHydroxycholecalciferols--bloodHypoparathyroidism--bloodMalabsorption Syndromes--bloodMiddle AgedNephrectomyOsteomalacia--bloodReference ValuesSheepVitamin D Deficiency--metabolismVitamin D-Binding Protein