Biochemical Methanol Gas Sensor (MeOH Bio-Sniffer) for Non-Invasive Assessment of Intestinal Flora from Breath Methanol. - Koji Toma; Kanako Iwasaki; Geng Zhang; Kenta Iitani; Takahiro Arakawa; Yasuhiko Iwasaki; Kohji Mitsubayashi (Sensors, 2021)