1. The osteoporosis of rheumatoid arthritis;Duncan, H.; Frost, H.M.; Villanueva, A.R.; Sigler, J.W.;Arthritis Rheum,1965
2. Bone involvement in rheumatoid arthritis;Kennedy, A.C.; Lindsay, R.;Clin Rheum Dis,1977
3. Absolute and relative deficit in total-skeletal calcium and radial bone mineral in osteoporosis;Cohn, S.H.; Ellis, K.J.; Wallach, S.; Zanzi, I.; Atkins, H.L.; Aloia, J.F.;J Nucl Med,1974
4. Proposed diagnostic criteria for rheumatoid arthritis;Ropes, M.W.; Bennett, G.A.; Cobb, S.; Jacox, R.; Jessar, A.R.;Ann Rheum Dis,1959
5. Total body neutron activation analysis of calcium: calibration and normalisation;Kennedy, N.S.J.; Eastell, R.; Ferrington, C.M.; Simpson, J.D.; Smith, M.A.; Tothill, P.;Phys Med Biol