Ruangkitudom, N.; Thiensukon, V.; Bunnag, P.; Chaiwong, R.; Prachayakul, V.; Amornyotin, S.; Akaraviputh, T. Outcomes of a Structured Program for Bowel Preparation in Patients Scheduled to Undergo Colonoscopy: A Randomized Controlled Trial. Thai J Surg 2018, 39, 21-29.