No abstract available
MeSH terms
-
Ammonia / analysis
-
Argon
-
Bacteria / metabolism
-
Carbon Dioxide / analysis
-
Gases / analysis*
-
Helium
-
Humans
-
Hydrogen / analysis
-
Intestines* / microbiology
-
Intubation, Gastrointestinal
-
Male
-
Methods
-
Nitrogen / analysis
-
Oxygen / analysis
-
Rectum
Substances
-
Gases
-
Carbon Dioxide
-
Helium
-
Argon
-
Ammonia
-
Hydrogen
-
Nitrogen
-
Oxygen