References
- Kellgren J H, Lawrence J S. Rheumatoid arthritis in a population sample. Ann Rheum Dis 1956; 15: 1
- Laine V AI. Rheumatic complaints in an urban population in Finland. Acta Rheum Scand 1962; 8: 81–88
- Hellgren L. The prevalence of rheumatoid arthritis in different geographical areas in Sweden. Acta Rheum Scand 1970; 16: 293–303
- Allander E. A population survey of rheumatoid arthritis. Thesis. Uppsala 1970
- Sørensen K. Rheumatoid arthritis in Denmark. Danish Med Bull 1973; 20(3)86–93
- Bergström G, Bjelle A, Sørensen L B, Sundh V, Svanborg A. Prevalence of rheumatoid arthritis, osteoarthritis, chondrocalcinosis and gouty arthritis at age 79. J Rheumatol 1986; 13(3)527–34
- Bjelle A, Allander E. Regional distribution of rheumatic complaints in Sweden. Scand J Rheum 1981; 10: 9–15
- Kellgren J H, Jeffrey M R, Ball J. The epidemiology of chronic rheumatism. Blackwell Scientific Publication, Oxford 1963
- Isacson J BI. The knee joint in rheumatoid arthritis. Thesis. Stockholm 1987
- Vainio K. Kirurgi och rheumatoid artrit [editorial, in Swedish]. Tidsskrift Nor Lægeforen 1971; 91: 904
- Allander E. Need for reconstructive surgery for rheumatoid arthritis. Scand J Rheum 1974; 3: 183–9
- Larsson S-E, Jonsson B, Borgqvist L, Palmefors L, Tilling B. Joint disorders and walking disability in the Swedish community by the year 2000. Acta Orthop Scand 1989, Suppl. [submitted for publ.]
- Larsson S-E, Jonsson B. Locomotion score in rheumatoid arthritis. Acta Orthop Scand 1989; 60(3)271–7
- Siegel S. Nonparametric statistics. McGraw Hill, New York 1956
- Steinbrocker O, Traeger C, Batterman R. Therapeutic criteria in rheumatic arthritis. JAMA 1949; 140: 659–62
- Värmland health survey. Hälsoundersökningen i Värmland, 1962–1965. Socialstyrelsen, Stockholm 1968
- DenOudsten S A. Some remarks on diagnosis of rheumatoid arthritis in population surveys. Proceedings of the I.S.R.A. 1960