title: Thin layer--gas chromatographic determination of 25-hydroxycholecalciferol.
mesh_terms: D002112:Calcifediol; D002849:Chromatography, Gas / Q000379:methods; D002855:Chromatography, Thin Layer / Q000379:methods; D006887:Hydroxycholecalciferols / Q000032:analysis*; D010084:Oxidation-Reduction; D010782:Photolysis; D014466:Ultraviolet Rays
chemical_list: D006887:Hydroxycholecalciferols; D002112:Calcifediol