1. Ann. rheum;ANSELL, B.M.; LAWRENCE, J.S.;Dis; 67 (Fluoridation and the rheumatic diseases) 'ATLAS OF STANDARD RADIOGRAPHS OF ARTHRITIS,1966
2. (Eine longitudinale Studie im Hinblick auf rheumatische Erkrankungen);BEHREND, T.; LAWRENCE, J.S.; BEHREND, H.; KOCH, R.;Z. Rheumaforschung,1972
3. Arthr;BLAND, J.H.; BUSKIRK, F.W.; DAvIs, P.H.; LONDON, M.G.; DUARTE, C.G.;and Rheum,1962
4. Ann. rheum;BREMNER, J.M.;Dis; Rheumatic complaints in a rural population,1961
5. (Juvenile rheumatoid arthritis: a study of 56 cases);BYWATERS, E.G.L.;Ibid,1971