1. Penicillamine in rheumatoid disease: a longterm study;Day, A.T.; Golding, J.R.; Lee, P.N.; Butterworth, A.D.;British Medical Journal,1974
2. Treatment of rheumatoid arthritis with penicillamine;Hill, H.F.H.;Seminars in Arthritis and Rheumatism,1977
3. Penicillamine in rheumatoid disease with particular reference to rheumatoid factor;Jaffe, I.A.;Postgraduate Medical Journal,1968
4. Penicillamine treatment of rheumatoid arthritis with a single daily dose of 250 mg;Jaffe, I.A.;Proceedings of the Royal Society of Medicine; Controlled trial of Dpenicillamine in severe rheumatoid arthritis,1977