Su1464: PHYSIOLOGY OF SIMULATED DEFECATION IN NORMAL SUBJECTS STUDIED WITH A WIRELESS FECOBIONICS PROBE - Wang, Yanmin; Field, Frederic; Wang, Mengjun; Lo, May; Guo, Xiaomei; Combs, William; Kassab, Ghassan; Gregersen, Hans (Gastroenterology (New York, N.Y. 1943), 2022)