Precision and discriminatory ability of calcaneal bone assessment technologies. - Greenspan,S.L.; Bouxsein,M.L.; Melton,M.E.; Kolodny,A.H.; Clair,J.H.; Delucca,P.T.; Stek,M.; Faulkner,K.G.; Orwoll,E.S. (J Bone Miner Res, 1997)