Original Article
Impact of fentanyl on acute and chronic pain and its side effects when used with epidural analgesia after thoracic surgery in multimodal analgesia: a retrospective cohort study
Hirotsugu Miyoshi, Ryuji Nakamura, Hiroyuki Kido, Soushi Narasaki, Tomoyuki Watanabe, Mayuko Yokota, Tomomi Ishii, Takahiro Kato, Noboru Saeki, Yasuo M. Tsutsumi
