title: An improved system for the separation of metabolites of isotopically labelled vitamin D3 on silicic acid columns.
mesh_terms: D000473:Alkanes; D000818:Animals; D002247:Carbon Isotopes; D002762:Cholecalciferol / Q000097:blood / Q000378:metabolism*; D002845:Chromatography; D005019:Ethyl Ethers; D006801:Humans; D007676:Kidney Failure, Chronic / Q000097:blood; D000432:Methanol; D008722:Methods; D051381:Rats; D012822:Silicon Dioxide; D014316:Tritium
chemical_list: D000473:Alkanes; D002247:Carbon Isotopes; D005019:Ethyl Ethers; D014316:Tritium; D002762:Cholecalciferol; D012822:Silicon Dioxide; D000432:Methanol