Marsaban, Arif HM, Luki Sumaratih, and Pryambodho Pryambodho. 2013. “Comparison Between Intermittent Propofol Bolus Techniques and Target-Controlled Infusion in Patients Underwent Gastrointestinal Endoscopy”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 14 (3):132-38. https://doi.org/10.24871/1432013132-138.