1. D. J. MacCarthy , Arthritis and Allied Conditions, A textbook of Rheumatology, 11th edn, Lea and Febiger, Philadelphia, 1989, p. 507
2. A. Aeschlinmann , B. R.Simmen and B. A.Michel, in; Rheumatoid Arthritis, ed. H. Baumgartner, J. Dvorak, D. Grob, U. Munzinger and B. R. Simmen, Thieme Medical Publishers, Inc., New York, 1985
3. R. F. Wilkens and S. L.Dahl, Therapeutic Controversies in the Rheumatic Disease, 1987, Grune and Stratton, Inc., Orlando
4. Copper chelates as possible active forms of the antiarthritic agents
5. 5 Copper Complexes – A Unique Class of Anti-Arthritic Drugs