Patient-controlled intravenous analgesia of dexmedetomidine and sufentanil and butorphanol combination in patients with primary liver cancer after laparoscopic hepatectomy

Zhang Hua, Zhong Huanhui, Kuang Yanchun, et al

Journal of Practical Hepatology . 2025, (2): 266 -269 . DOI: 10.3969/j.issn.1672-5069.2025.02.027