[13CO2 gas is produced in the mouth and excreted without circulating through the lung when 13C-urea is given as a mouthwash].
Urita
Y
Y
First Department of Internal Medicine, Toho University School of Medicine.
Naruki
Y
Y
Koyama
H
H
Nakatani
N
N
Nishino
S
S
Otsuka
Y
Y
D000328:Adult; D002245:Carbon Dioxide / Q000378:metabolism*; D002247:Carbon Isotopes; D005260:Female; D006801:Humans; D008297:Male; D009055:Mouth; D009067:Mouthwashes; D014508:Urea / Q000008:administration & dosage*
D002247:Carbon Isotopes; D009067:Mouthwashes; D002245:Carbon Dioxide; D014508:Urea