1. Population Studies of the Rheumatic Diseases;BENNETr, P.H.; WOOD, P.H.N.,1968
2. Medicine, 35, 1 (The natural history of rheumatoid spondylitis);BLUMBERG, B.; RAGAN, C.,1956
3. Annals of the Rheumatic Diseases BREWERTON;A., D.,1973
4. -, HART, F. D., NIcHoLLs, A., CAFFREY, M., JAMES, D. C. O., AND STURROCK, R. D. (1973b) Ibid., 1, 904 (Ankylosing spondylitis and HL-A 27)
5. and arthropathies associated with ulcerative colitis and psoriasis);Ibid,1974