Lawson, D E Identification of 1,25-dihydroxycholecalciferol, a new kidney hormone controlling calcium metabolism. [electronic resource] - Nature Mar 1971 - 228-30 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/230228a0 doi Subjects--Topical Terms: AnimalsCalcium--metabolismCarbon IsotopesChickensCholecalciferol--isolation & purificationChromatographyHormones--isolation & purificationKidney--metabolismSpectrum AnalysisSwineTritiumVitamin D--metabolism