Toko FUKUSHIMA, Yuka SHIBUYA, Hidetsugu KOBAYASHI, Masako NISHIKAWA, Kazuhiro SHOJI. A Study of Factors in Time to Extubation, Especially the Type of Volatile Anesthetic and the Proficiency of the Anesthesiologist. THE JOURNAL OF JAPAN SOCIETY FOR CLINICAL ANESTHESIA. 2019. 39. 1. 1-8