1. M. M. Wolfe, D. R. Lichtenstein, and G. Singh, “Gastrointestinal toxicity of nonsteroidal antiinflammatory drugs,” New Engl. J. Med., 156, 1623-1628 (1999).
2. M. C. Sturkenboom, F. Romano, G. Simon, et al., “The iatrogenic costs of NSAID therapy: a population study,” Arthritis Rheum., 47, No. 2, 132-140 (2002).
3. M. J. Callahan, “Irritable bowel syndrome neuropharmacology. A review of approved and investigational compounds,” J. Clin. Gastroenterol., 35, No. 7, 58-67 (2002).
4. L. Casimiro, L. Barsley, L. Brosseau, et al., “Acupuncture and electropuncture for the treatment of rheumatoid arthritis,” Cochrane Database Syst. Rev., No. 3 (2002).
5. M. V. Madsen, R. C. Gotzche, and A. Hrobjarson, “Acupuncture treatment for pain: systemic review of randomized clinical trials with acupuncture, placebo acupuncture and acupuncture group,” Biol. Med. J., 27, 338 (2009).