@article{oai:nagoya.repo.nii.ac.jp:02005518, author = {近藤, 孝晴 and KONDO, Takaharu and 劉, 鳳 and LIU, Feng and 戸田, 安士 and TODA, Yasushi}, issue = {1}, journal = {総合保健体育科学, Nagoya Journal of Health, Physical Fitness & Sports}, month = {Mar}, note = {Breath methane concentration was analyzed in 73 healthy volunteers. The percentage of methane producers was 38%. Elderly group over the age of 50 showed higher percentage of methane producers (43%) than the younger group (15%, p=0.04). To investigate the clinical usefulness of measuring the breath methane concentration, age matched control should be considered.}, pages = {55--57}, title = {日本人における呼気中メタン排泄者}, volume = {16}, year = {1993} }