Supina, P.; Duanthet, C.; Khanha, S.; Wattanaruengchai, P.; Boonyasirinant, T. A Novel Constipation Prevention and Management Protocol Versus Physician-Directed Management of Constipation in Critically Ill Cardiac Patients: A Randomized Controlled Study. Siriraj Med J 2026, 78, 551-560.