155.Carter, E.A., et al., Use of hydrogen gas (H2) analysis to assess intestinal absorption. Studies in normal rats and in rats infected with the nematode, Nippostrongylus brasiliensis. Gastroenterology, 1981. 81(6): p. 1091-7.

156.Chen, X., et al., Lactulose: an effective preventive and therapeutic option for ischemic stroke by production of hydrogen. Medical Gas Research, 2012. 2: p. 3.

157.Chen, X., et al., Lactulose Mediates Suppression of Dextran Sodium Sulfate-Induced Colon Inflammation by Increasing Hydrogen Production. Dig Dis Sci, 2013.

158.Chen, X., et al., Lactulose: an indirect antioxidant ameliorating inflammatory bowel disease by increasing hydrogen production. Medical Hypotheses, 2011. 76(3): p. 325-7.

159.Christl, S.U., et al., Production, metabolism, and excretion of hydrogen in the large intestine. Gastroenterology, 1992. 102(4 Pt 1): p. 1269-77.

160.Kanazuru, T., et al., Role of Hydrogen Generation by Klebsiella pneumoniae in the Oral Cavity. Journal of Microbiology, 2010. 48(6): p. 778-783.

161.Kayar, S.R., et al., Hydrogen Gas Is Not Oxidized by Mammalian-Tissues under Hyperbaric Conditions. Undersea & Hyperbaric Medicine, 1994. 21(3): p. 265-275.

162.Lee, S.H. and B.K. Choi, Antibacterial effect of electrolyzed water on oral bacteria. J Microbiol, 2006. 44(4): p. 417-22.

163.Levitt, M.D., Production and Excretion of Hydrogen Gas in Man. New England Journal of Medicine, 1969. 281(3): p. 122-&.

164.Liu, C., et al., Estimation of the hydrogen concentration in rat tissue using an airtight tube following the administration of hydrogen via various routes. Sci Rep, 2014. 4: p. 5485.

165.Oku, T. and S. Nakamura, Comparison of digestibility and breath hydrogen gas excretion of fructo-oligosaccharide, galactosyl-sucrose, and isomalto-oligosaccharide in healthy human subjects. European Journal of Clinical Nutrition, 2003. 57(9): p. 1150-1156.

166.Rizkalla, S.W., et al., Chronic consumption of fresh but not heated yogurt improves breath-hydrogen status and short-chain fatty acid profiles: a controlled study in healthy men with or without lactose maldigestion. Am J Clin Nutr, 2000. 72(6): p. 1474-9.

167.Sack, D.A. and C.B. Stephensen, Liberation of hydrogen from gastric acid following administration of oral magnesium. Dig Dis Sci, 1985. 30(12): p. 1127-33.

168.Shimouchi, A., et al., Molecular hydrogen consumption in the human body during the inhalation of hydrogen gas. Adv Exp Med Biol, 2013. 789: p. 315-21.

169.Shimouchi, A., et al., Estimation of molecular hydrogen consumption in the human whole body after the ingestion of hydrogen-rich water. Oxygen Transport to Tissue Xxi, 2012. 737: p. 245-50.

170.Shimouchi, A., et al., Effect of Dietary Turmeric on Breath Hydrogen. Digestive Diseases and Sciences, 2009. 54(8): p. 1725-1729.

171.Shimouchi, A., et al., Breath Hydrogen Produced by Ingestion of Commercial Hydrogen Water and Milk. Biomarker Insights, 2009. 4: p. 27-32.

172.Sone, Y., et al., Everyday breath hydrogen excretion profile in Japanese young female students. J Physiol Anthropol Appl Human Sci, 2000. 19(5): p. 229-37.

173.Strocchi, A. and M.D. Levitt, Maintaining intestinal H2 balance: credit the colonic bacteria. Gastroenterology, 1992. 102(4 Pt 1): p. 1424-6.

174.Suzuki, Y., et al., Are the effects of alpha-glucosidase inhibitors on cardiovascular events related to elevated levels of hydrogen gas in the gastrointestinal tract? FEBS Letters, 2009. 583(13): p. 2157-9.

175.Tanikawa, R., et al., Relationship between Exhaled Hydrogen and Human Neutrophil Function in the Japanese General Population. Hirosaki Medical Journal, 2015. 65: p. 138-146.

176.Xie, K.L., et al., Hydrogen gas improves survival rate and organ damage in zymosan-induced generalized inflammation model. Shock, 2010. 34(5): p. 495-501.

177.Zhai, X., et al., Lactulose ameliorates cerebral ischemia-reperfusion injury in rats by inducing hydrogen by activating Nrf2 expression. Free Radic Biol Med, 2013. 65: p. 731-41.