Savaş, Haluk A., et al. "Possible role of nitric oxide and adrenomedullin in bipolar affective disorder." Neuropsychobiology 45.2 (2002): 57-61.

Hoekstra, R., et al. "Nitric oxide and neopterin in bipolar affective disorder." Neuropsychobiology 54.1 (2006): 75-81.

Andreazza, Ana C., et al. "Oxidative stress markers in bipolar disorder: a meta-analysis." Journal of affective disorders 111.2-3 (2008): 135-144.

Selek, Salih, et al. "The course of nitric oxide and superoxide dismutase during treatment of bipolar depressive episode." Journal of Affective Disorders 107.1-3 (2008): 89-94.

Hezel, M. P., and E. Weitzberg. "The oral microbiome and nitric oxide homoeostasis." Oral diseases 21.1 (2015): 7-16.

Schreiber, Olof. Microcirculation, mucus and microbiota in inflammatory bowel disease. Diss. Acta Universitatis Upsaliensis, 2010.

Bäumler, Andreas J., and Vanessa Sperandio. "Interactions between the microbiota and pathogenic bacteria in the gut." Nature 535.7610 (2016): 85.

Motta, Jean-Paul, et al. "Hydrogen sulfide protects from colitis and restores intestinal microbiota biofilm and mucus production." Inflammatory Bowel Diseases 21.5 (2015): 1006-1017.

Motta, Jean-Paul, et al. "Hydrogen sulfide protects from colitis and restores intestinal microbiota biofilm and mucus production." Inflammatory Bowel Diseases 21.5 (2015): 1006-1017.

Wallace, John L., Jean-Paul Motta, and Andre G. Buret. "Hydrogen sulfide: An agent of stability at the microbiome-mucosa interface." American Journal of Physiology-Gastrointestinal and Liver Physiology 314.2 (2017): G143-G149.

Zanardo, Renata CO, et al. "Hydrogen sulfide is an endogenous modulator of leukocyte mediated inflammation." The FASEB journal 20.12 (2006): 2118-2120.

Shefa, Ulfuara, et al. "Roles of gasotransmitters in synaptic plasticity and neuropsychiatric conditions." Neural plasticity 2018 (2018).

Dickerson, Faith, Emily Severance, and Robert Yolken. "The microbiome, immunity, and schizophrenia and bipolar disorder." Brain, behavior, and immunity 62 (2017): 46-52

Evans, Simon J., et al. "The gut microbiome composition associates with bipolar disorder and illness severity." Journal of psychiatric research 87 (2017): 23-29.

Chinese Medicine internal treatment of mental disorders.