Innok, S.; Dokphueng, W.; Udol, K.; Slisatkorn, W.; Sawasdiwipachai, P. Clinical Outcomes and Cost of Ventilator Weaning and Endotracheal Extubation Guided by An Established Ventilator Weaning Protocol in Patients Undergoing Elective Cardiac Surgery. Siriraj Med J 2021, 73, 815-822.