title: Thyrocalcitonin: ultracentrifugation in gradients of sucrose.
abstract: Analysis of thyrocalcitonin, by density-gradient ultracentrifugation at high speed, showed that its molecular weight (5000 to 6000) is considerably less than was heretofore recognized.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000032:analysis; D000818:Animals; D002116:Calcitonin / Q000032:analysis*; D002417:Cattle; D002499:Centrifugation, Density Gradient; D006996:Hypocalcemia / Q000139:chemically induced; D008970:Molecular Weight; D051381:Rats; D013552:Swine
chemical_list: D000324:Adrenocorticotropic Hormone; D002116:Calcitonin