Ruangkitudom, N., Thiensukon, V., Bunnag, P., Chaiwong, R., Prachayakul, V., Amornyotin, S. and Akaraviputh, T. 2018. Outcomes of a Structured Program for Bowel Preparation in Patients Scheduled to Undergo Colonoscopy: A Randomized Controlled Trial. The Thai Journal of Surgery. 39, 1 (Mar. 2018), 21–29.