Satisfaction with bispectral index monitoring of propofol-mediated sedation during endoscopic submucosal dissection: A prospective, randomized study

A. Imagawa, S. Fujiki, Y. Kawahara, H. Matsushita, S. Ota, T. Tomoda, Y. Morito, I. Sakakihara, T. Fujimoto, A. Taira, H. Tsugeno, S. Kawano, S. Yagi, R. Takenaka