1. Rheumatoid arthritis;in Western Nigeria. I, Greenwood D.M.Polyarthritis;Ann Rheum Dis
2. Therapeutic criteria in rheumatoid arthritis;Steinbrocker 0, Traeger C H, Batterman R C;JAMA
3. Radiological assessment of osteoarthritis;H, Keligren J.; S, Lawrence J.;Ann Rheum Dis,1957
4. Arterial blood pressures and hypertension in an urban African population;0, Johnson T;British Journal of Preventive and Social Medicine,1971
5. Osteoarthritis of the hip and other joints in Southern Chinese in Hong Kong-incidence and related factors;T, Hoaglund F.; S, Yau A.C.M.; L, Wong W.;Bone Joint Surg (Am],1973