title: Bone mineral density (BMD) measurements by photon absorptiometry (PA). An overview.
mesh_terms: D001842:Bone and Bones / Q000032:analysis / Q000000981:diagnostic imaging*; D006801:Humans; D008903:Minerals / Q000032:analysis*; D010024:Osteoporosis / Q000000981:diagnostic imaging / Q000378:metabolism; D011877:Radionuclide Imaging
chemical_list: D008903:Minerals