1. Chronic arthritis in childhood;Ansell;Ann Rheum Dis,1978
2. Juvenile rheumatoid arthritis. I;Schaller;Arthritis Rheum,1977
3. Juvenile chronic polyarthritis. III;Ansell;Arthritis Rheum,1977
4. The diversity of JRA. A 1976 look at the subgroups of chronic childhood arthritis;Schaller;Arthritis Rheum,1977
5. A critical reappraisal of juvenile rheumatoid arthritis;Calbro;Clin Orthop,1971