References
- Eisenberg DM, Kessler RC, Foster C, Norlock FE, Calkins DR, Delbanco TL. Unconventional medicine in the United States. Prevalence, costs, and patterns of use. N Engl J Med. 1993; 328:246–52.
- National Center for Complementary and Alternative Medicine. What is CAM? http://nccammih.gov/health/whatiscam/. Date last accessed 6 Oct 2008.
- Struthers GR, Scott DL, Scott DGI. The use of 'alternative treatments' by patients with rheumatoid arthritis. Rheumatol Int. 1983;3:151–2.
- Boisset M, Fitscharles M-A. Alternative medicine use by rheu-matology patients in a universal health care setting. J Rheumatol. 1994;21:148–52.
- Rao JK, Mihaliak K, Kroenke K, Bradley J, Tierney WM, Weinberger M. Use of complementary therapies for arthritis among patients of rheumatologists. Ann Intern Med. 1999;131: 409–16.
- Fautrel B, Adam V, St-Pierre Y, Joseph L, Clarke AE, Penrod JR. Use of complementary and alternative therapies by patients self-reporting arthritis or rheumatism: results from a nationwide Canadian survey. J Rheumatol. 2002;29:2435–41.
- Chandrashekara S, Anilkumar T, Jamuna S. Complementary and alternative drug therapy in arthritis. J Assoc Physicians India. 2002;50:225–7.
- Rao JK, Kroenke K, Mihafiak KA, Grambow SC, Weinberger M. Rheumatology patients' use of complementary therapies: results from a one-year longitudinal study. Arthritis Rheum. 2003;49: 619–25.
- Kim HA, Seo YI. Use of complementary and alternative medi-cine by arthritis patients in a university hospital clinic serving rheumatology patients in Korea. Rheumatol Int. 2003;23:277–81.
- Herman CJ, Allen P, Hunt WC, Prasad A, Brady TJ. Use of complementary therapies among primary care clinic patients with arthritis. Prey Chronic Dis. 2004;1:1–15.
- Breuer GS, Orbach H, Elkayam 0, Berkun Y, Paran D, Mates M, et al. Use of complementary and alternative medicine among patients attending rheumatology clinics in Israel. Isr Med Assoc J. 2006;8:184–7.
- Yamashita H, Tsukayama H, Sugishita C. Popularity of com-plementary and alternative medicine in Japan: a telephone survey. Complement Ther Med. 2002;10:84–93.
- Kajiyama H, Akama H, Yamanaka H, Shoji A, Matsuda Y, Tanaka E, et al. One third of Japanese patients with rheumatoid arthritis use complementary and alternative medicine. Mod Rheumatol. 2006;16:355–9.
- Hyodo I, Amano N, Eguchi K, Narabayashi M, Imanishi J, Hirai M, et al. Nationwide survey on complementary and alternative medicine in cancer patients in Japan. J Clin Oncol. 2005;23: 2645–54.
- McAlindon TE, LaValley MP, Gulin JP, Felson DT. Glucosamine and chondroitin for treatment of osteoarthritis: a systemic quality assessment and meta-analysis. JAMA. 2000;283:1469–75.
- Clegg DO, Reda DJ, Harris CL, Klein MA, O'Dell JR, Hooper MM, et al. Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis. N Engl J Med. 2006;354:795–808.
- Nakamura H, Masuko K, Yudoh K, Kato T, Kamada T, Kawahara T. Effects of glucosamine administration on patients with rheumatoid arthritis. Rheumatol Int. 2007;27:213–8.
- Ariza-Ariza R, Mestanza-Peralta M, Cardiel MH. Omega-3 fatty acids in rheumatoid arthritis: an overview. Semin Arthritis Rheum. 1998;27:366–70.
- Geusens P, Wouters C, Nijs J, Jiang Y, Dequeker J. Long-term effect of omega-3 fatty acid supplementation in active rheuma-toid arthritis. Arthritis Rheum. 1994;37: 824–9.
- Berbert AA, Kondo CRM, Almendra CL, Matsuo T, Dichi I. Supplementation of fish oil and olive oil in patients with rheu-matoid arthritis. Nutrition. 2005;21:131–6.
- Galarraga B, Ho M, Youssef HM, Hill A, McMahon H, Hall C, et al. Cod liver oil (n-3 fatty acids) as an non-steroidal anti-inflammatory drug sparing agent in rheumatoid arthritis. Rheumatology. 2008;47:665–9.
- Brzeski M, Madhok R, Capell HA. Evening primrose oil in patients with rheumatoid arthritis and side-effects of non-steroi-dal anti-inflammatory drugs. Br J Rheumatol. 1991;30:370–2.