Ballegaard S, Christophersen SJ, Dawids SG, Hesse J, Olsen NV. Acupuncture and transcutaneous electric nerve stimulation in the treatment of pain associated with chronic pancreatitis. A randomized study. Scand J Gastroenterol 1985 Dec;20(10):1249-54.

Cahn AM, Carayon P, Hill C, Flamant R. Acupuncture in gastroscopy. Lancet 1978 Jan 28;1(8057):182-3.

Day RL. Acupuncture in gastroscopy [letter]. Lancet 1978 Apr 1;1(8066):722.

Gabuzian KS, Sarkisian KA, Grigorian NL, Azatian ZG. [Long-term results in the treatment of patients with irritable bowel syndrome]. Klin Med (Mosk) 1994;72(1):47-8. (Rus).

Guelrud M, Rossiter A, Souney PF, Sulbaran M. Transcutaneous electrical nerve stimulation decreases lower esophageal sphincter pressure in patients with achalasia. Dig Dis Sci 1991 Aug;36(8):1029-33.

Jiang Y, Chen Y. Treatment of biliary colic by water injection in the region of Qimen, Riyue, and Juque points. J Tradit Chin Med 1995 Sep;15(3):185-8.

Jin HO, Zhou L, Lee KY, Chang TM, Chey WY. Inhibition of acid secretion by electrical acupuncture is mediated via endorphin and somatostatin. Am J Physiol 1996;271(3 Pt 1):G524-30.

Klauser AG, Rubach A, Bertsche O, Muller-Lissner SA. Body acupuncture: effect on colonic function in chronic constipation. Z Gastroenterol 1993 Oct;31(10):605-8.

Kunze M, Seidel HJ, Stube G. [Comparative studies of the effectiveness of brief psychotherapy, acupuncture and papaverin therapy in patients with irritable bowel syndrome]. Z Gesamte Inn Med 1990 Oct 15;45(20):625-7. (Ger).

Li Y, Tougas G, Chiverton SG, Hunt RH. The effect of acupuncture on gastrointestinal function and disorders. Am J Gastroenterol 1992;87(10):1372-81.

Lux G. [Acupuncture inhibits secretion of gastric acid. Prospective randomized study series with various acupuncture procedures]. Fortschr Med 1994 Nov 20;112(32):454. (Ger).

Lux G, Hagel J, Backer P, Backer G, Vogl R, Ruppin H, Domschke S, Domschke W. Acupuncture inhibits vagal gastric acid secretion stimulated by sham feeding in healthy subjects. Gut 1994 Aug;35(8):1026-9. Comment in: Gut 1995 May;36(5):800-1.

Matsumoto T, Hayes MF Jr. Acupuncture, electric phenomenon of the skin, and postvagotomy gastrointestinal atony. Am J Surg 1973 Feb;125(2):176-80.

Tougas G, Yuan LY, Radamaker JW, Chiverton SG, Hunt RH. Effect of acupuncture on gastric acid secretion in healthy male volunteers. Dig Dis Sci 1992 Oct;37(10):1576-82.

Wang HH, Chang YH, Liu DM, Ho YJ. A clinical study on physiological response in electroacupuncture analgesia and meperidine analgesia for colonoscopy. Am J Chin Med 1997;25(1):13-20.

Zhang S, Chen H, Gui J, Xu C, Zhu P, Cao Z. [Clinical and experimental researches in the inhibition of bile pigment lithogenesis by acupuncture and moxibustion]. Chen Tzu Yen Chiu 1995;20(3):40-5. (Chi).

Zhang Y, Zhang L, Yang H, Zhang H, Zhu Y. 1291 cases of cholelithiasis treated with electric shock on otoacupoints. J Tradit Chin Med 1991 Jun;11(2):101-9.

Zhou L, Chey WY. Electric acupuncture stimulates non-parietal cell secretion of the stomach in dog. Life Sci 1984 Jun;34(23):2233-8.

Bragin EO, Emel'ianenko IV. [Effect of acupuncture on the catecholamine content in the hypothalamus and brain stem of rats with an experimental stomach ulcer]. Biull Eksp Biol Med 1989 Feb;107(2):182-4. (Rus).