Post-operational alanalgesia of dexmedetomidine and butorphanol combination in patients with primary liver cancer after laparoscopic hepatectomy

Lou Peng, Deng Jihong, Yan Mingyi

Journal of Practical Hepatology . 2023, (6): 899 -902 . DOI: 10.3969/j.issn.1672-5069.2023.06.033