Methane excretion in man.
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چکیده
منابع مشابه
Factors Influencing Pulmonary Methane Excretion in Man
Measurements of pulmonary excretion of methane (CH(4)) were used to obtain information on the CH(4)-producing bacteria in man. Preliminary studies indicated that (a) all CH(4) excreted by man is produced by colonic bacteria, (b) there is no appreciable utilization of CH(4) by man, and (c) breath CH(4) can serve as a relatively accurate indicator of CH(4) production in the intestine. The rate of...
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In this paper aspects of the variability of methane producing status have been examined, and a survey of breath methane excretion in various clinical and control populations is reported. Prevalences of methane excretion were 54% in healthy controls, 53% in non-gastrointestinal patients and 32% in gastrointestinal patients. Patients with Crohn's disease, ulcerative colitis, and pneumatosis cysto...
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By J. W. ADAMSON, R. ALEXANIAN, C. MARTINEZ AND C. A. FINCH E RYTHROPOIESIS IS BELIEVED to he regulated by a humoral substamice, erythropoietin, which is elaborated in response to tissue need for oxygen. The presence of erythropoietin in the normal individual has been difficult to demonstrate due to limitations in methods currently available for its measurement. The purpose of this study is to ...
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In 1946, Rosen e2 al. (1) showed that administration of tryptophan to rats resulted in an additional excretion of nicotinic acid and Nl-methylnicotinamide (Nl-Me). Singal et al. (2) found, in addition to these, increased excretion of another metabolite which could be converted to nicotinic acid by autoclaving in 1 N sulfuric acid solution. Henderson isolated this metabolite from the urine of ra...
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ژورنال
عنوان ژورنال: Gut
سال: 1985
ISSN: 0017-5749
DOI: 10.1136/gut.26.11.1270