Læknablaðið - 01.10.1969, Qupperneq 33

LÆKNABLAÐIÐ
159
18. Kellgren, J. H., and Lawrence, J. S.: Rheumatoid Arthritis in a
Population Sample. Ann.rheum. Dis. 15:1, 1956.
19. Kellgren, J. H., ed.: Population Studies in Rheumatoid Arthritis.
Transactions of the First International Conference at the National
Institutes of Health, Bethesda, Maryland. June 18th, 1957. Arthritis
and Rheu'matism Foundation, New York, 1958.
20. Kellgren, J. H., Jeffrey, M. R., and Ball, J., eds.: The Epidemiology
of Chronic Rheumatism, Oxford, Blackwell Scientific Publications
Ltd., and Philadelphia, F. A. Davis Co., 1962, 2 vol.
21. — De Graaff, R., Laine, V., and Lawrence, J. S.: Comparison of
Surveys in Various Northern European Countries. p. 228.
22. Kellgren, J. H.: Joseph J. Bunim Memorial Lecture. Epidemiology
of Rheumatoid Arthritis. Arthr. & Rheum. 9:658, 1966.
23. Lansbury, J.: Methods for Evaluating Rheumatoid Arthritis in
“Arthritis and Allied Conditions”. Ed. Joseph Lee Hollander, Lea
& Febiger, Philadelphia 1966. p. 269.
24. Lawrence, J. S.: The Prevalence of Arthritis. Brit. J. Clin. Pract.
17:699, 1963.
25. Lawrence, J. S., Behrend, T., Bennett, P. H., Bremner, J. M. Burch,
T. A., Gofton, J., O’Brien, W., and Robinson, H.: Geographical
Studies on Rheumatoid Arthritis. Ann. rheum. Dis. 25:425, 1966.
26. Lincoln, T. A., and Cobb, S.: The Prevalence of Mild Rheumatoid
Arthritis in Industry. J. Occup. Med. 5:10, 1963.
27. Mac Mahon, B., Pugh, F., and Ipsen, J.: Epidemiologic Methods.
Little, Brown and Company, Boston Toronto, 1960.
28. Mechanic, D.: The Concept of Illness Behaviour. J. Chron. Dis.
15:189, 1962.
29. Morris, J. N.: Uses of Epidemiology. Second ed. E & S Livingstone
Ltd. Edinburgh and London, 1964.
30. Ólafsson, Ó.: Hálsokontroll. Nordisk Medicin 76:1365, 1966.
31. Ólafsson, Ó., Sigvaldason, H., Sigfússon, N., Björnsson, O., and
Thorsteinsson, T.: Manual for Epidemiological Study of Cardiovas-
cular and some other Chronic Diseases in Iceland. 2:nd Ed. Sept.
1968. Manuscript. Heart Preventive Clinic, Lágmúla 9, Reykjavik,
Iceland.
32. Ropes, M. W., Bennet, G. A., Cobbs, S., Jacox, R., and Jessar,
R. A.: Diagnostic Criteria for Rheumatoid Arthritis. Bull rheum.
Dis. 7:121, 1956.
33. Ropes, M. W., Bennet, G. A., Cobb, S., Jacox, R., and Jessar, R. A.:
Diagnostic criteria for Rheumatoid Arthritis. Ann. Rheum. Dis.
16:118, 1957, and Bull. rheum. Dis. 9:175, 1958.
34. Sievers, K.: The Rheumatoid Factor in Definite Rheumatoid Arth-
riti.s. Acta Rheum. Scand. Suppl. 9, 1965.
35. Valkenburg, H. A.: Personal communication.
36. Diagnostic Criteria for Population Studies. Bull. Rheum. Dis 13:291,
1962.
37. New York Symposium on Population Studies in the Rheumatic
Diseases: New Diagnostic Criteria. Bull. Rheum. Dis. Vol. 17, no 8,
April 1967.