Radiographic trabecular quantitation of human lumbar vertebrae in situ. I. Theory and method for study of osteoporosis.
D015502:Absorptiometry, Photon; D000818:Animals; D002113:Calcification, Physiologic; D003202:Computers, Analog; D006801:Humans; D008159:Lumbar Vertebrae / Q000032:analysis / Q000000981:diagnostic imaging* / Q000378:metabolism; D010024:Osteoporosis / Q000000981:diagnostic imaging*; D011817:Rabbits; D013679:Technology, Radiologic