Bowel sound-based features to investigate the effect of coffee and soda on gastrointestinal motility. - Kensuke Horiyama; Takahiro Emoto; Takeyuki Haraguchi; Takashi Uebanso; Yuki Naito; Takuma Gyobu; Kenta Kanemoto; Junichi Inobe; Ayumi Sano; Masatake Akutagawa; Akira Takahashi (Biomed. Signal Process. Control., 2021)