Do Low-Risk Patients With Dyspepsia Need a Gastroscopy? Use of Gastroscopy for Otherwise Healthy Patients With Dyspepsia. - Halasz JB; Burak KW; Dowling SK; Murray B; Williams J; Misra T; Veldhuyzen van Zanten SJ; Kaplan GG; Swain M; Novak KL (Journal of the Canadian Association of Gastroenterology, 2021)