AN NOVEL DEVICE FOR ENDOSCOPIC RECORDING GASTROINTESTINAL SLOW WAVE - Kim, SH; Chun, HJ; Kim, S; Kim, JH; Jeon, HJ; Jang, S; Choi, SJ; Lee, JM; Choi, HS; Kim, ES; Keum, B; Jeen, YT; Lee, HS; Kim, CD (Endoscopy, 2019)