title: Osteoporosis: a cautionary note.
mesh_terms: D001842:Bone and Bones / Q000503:physiopathology; D002114:Calcinosis; D003094:Collagen / Q000502:physiology; D006801:Humans; D010024:Osteoporosis / Q000503:physiopathology*
chemical_list: D003094:Collagen