In vivo assessment of skeletal morphology by radiographic densitometry.
D015502:Absorptiometry, Photon; D000375:Aging; D001846:Bone Development; D001847:Bone Diseases / Q000000981:diagnostic imaging*; D001842:Bone and Bones / Q000000981:diagnostic imaging*; D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis*