Fraser, D R The metabolism and biological activity of esterified vitamin D in the rat. [electronic resource] - The British journal of nutrition Mar 1969 - 135-40 p. digital Publication Type: Journal Article ISSN: 0007-1145 Standard No.: 10.1079/bjn19690016 doi Subjects--Topical Terms: AnimalsCholecalciferol--administration & dosageEstersFeces--analysisInjections, IntramuscularInjections, IntravenousPalmitic AcidsRatsRickets--drug therapyTritium