Journal of Nutrition · 1977 · 37 citations · 23 references
PharmacyPoultry ScienceToxicologyMechanisms Of ToxicityToxicokineticsPoultry ToxicologyCholecalciferol MetabolismCholecalciferol ToxicityHistopathological ToxicityNeurotoxicity In PoultryToxicity In Animals
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Unique Biosynthesis by Kidney of a Biologically Active Vitamin D Metabolite
David R. Fraser, E. Kodíček · Nature · 1970 · 1.3K citations
“Activation” of vitamin D by the liver
G. Ponchon, Alfred L. Kennan, Hector F. DeLuca · Journal of Clinical Investigation · 1969 · 390 citations · Full text