title: Studies on calciferol metabolism. I. Production of vitamin D metabolite 4B from 25-OH-cholecalciferol by kidney homogenates.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000378:metabolism; D002247:Carbon Isotopes; D002645:Chickens; D002762:Cholecalciferol / Q000378:metabolism*; D002845:Chromatography; D066298:In Vitro Techniques; D007413:Intestinal Mucosa / Q000378:metabolism; D007668:Kidney / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D012822:Silicon Dioxide; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D002762:Cholecalciferol; D012822:Silicon Dioxide