1. Copper helps keep athletes on right track—Forsyth County News;Anonymous,2001
2. Concise Oxford Dictionary 9th. D. Thompson editor. Clarendon Press, Oxford.
3. Awareness of use and perception of efficacy of alternative therapies by patients with inflammatory arthropathies;Camara;Hawaii Med J,1999
4. Unconventional remedies used for patients with juvenile arthritis;Southwood;Pediatrics,1990