title: A relationship between the percentage of calcium by mass and the effective atomic number of regions containing bone.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D001853:Bone Marrow / Q000032:analysis; D001842:Bone and Bones / Q000032:analysis*; D002118:Calcium / Q000032:analysis*; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000379:methods
chemical_list: D002118:Calcium