1. Carbon Monoxide, Hydrogen Sulfide, and Nitric Oxide as Signaling Molecules in the Gastrointestinal Tract 
Gianrico Farrugia, Joseph H. Szurszewski 
Gastroenterology 
Volume 147, Issue 2, Pages (August 2014)
DOI: /j.gastro
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2. Figure 1 Delivery forms for CO.
Gastroenterology  , DOI: ( /j.gastro )
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3. Figure 2 Physiological effects of endogenously generated H2S.
Gastroenterology  , DOI: ( /j.gastro )
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4. Figure 3 Ion channel targets for exogenous NaHS.
Gastroenterology  , DOI: ( /j.gastro )
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