title: [Letter: Radiocompetitive determination of 25 hydroxy vitamin D].
mesh_terms: D002128:Calcium Metabolism Disorders / Q000097:blood*; D003649:Decalcification, Pathologic / Q000097:blood*; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*
chemical_list: D006887:Hydroxycholecalciferols
vernacular_title: Le dosage radio-compétitif de la 25 hydroxy-vitamine D