1. 1958 revision of diagnostic criteria for rheumatoid arthritis;Ropes;Bull Rheum Dis,1958
2. Geographical studies on rheumatoid arthritis;Lawrence;Ann Rheum Dis,1966
3. Geographical studies of rheumatoid arthritis;Lawrence,1968
4. Tables of incidence of osterochondrosis in joints;Soila;Acta Rheum Scand,1960
5. Prevalence of Osteoarthritis in adults by age, sex, race, and geographic area, United States 1960–1962;National Center for Health Statistics,1966