title: Letter: Heterogeneity of calcitonin.
mesh_terms: D001665:Binding Sites; D002116:Calcitonin / Q000097:blood*; D002277:Carcinoma / Q000097:blood* / Q000276:immunology; D002846:Chromatography, Affinity; D002850:Chromatography, Gel; D006801:Humans; D007676:Kidney Failure, Chronic / Q000097:blood* / Q000276:immunology; D007680:Kidney Neoplasms / Q000097:blood* / Q000276:immunology; D011863:Radioimmunoassay
chemical_list: D002116:Calcitonin