title: A simple X-ray method for monitoring progress of osteoporosis.
mesh_terms: D001827:Body Height; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008722:Methods; D010024:Osteoporosis / Q000000981:diagnostic imaging*; D011859:Radiography; D013131:Spine / Q000000981:diagnostic imaging*; D013904:Thoracic Vertebrae / Q000000981:diagnostic imaging