Supina, P., Duanthet, C., Khanha, S., Wattanaruengchai, P. and Boonyasirinant, T. (2026) “ A Novel Constipation Prevention and Management Protocol Versus Physician-Directed Management of Constipation in Critically Ill Cardiac Patients: A Randomized Controlled Study”, Siriraj Medical Journal, 78(7), pp. 551–560. doi: 10.33192/smj.v78i6.280566.