title: Nature. Volume 228, 1970: pages 764-766. Unique biosynthesis by kidney of a biologically active vitamin D metabolite.
mesh_terms: D002117:Calcitriol / Q000096:biosynthesis*; D049673:History, 20th Century; D007668:Kidney / Q000378:metabolism*; D014807:Vitamin D / Q000378:metabolism
chemical_list: D014807:Vitamin D; D002117:Calcitriol