Pain control effect and safety analysis of hydromorphone patient-controlled intravenous analgesia and subcutaneous injection for postoperative analgesia in patients with oral tumors
WANG Yuan, ZHI Yan-kang
China Journal of Oral and Maxillofacial Surgery . 2024, (1): 53 -57 .  DOI: 10.19438/j.cjoms.2024.01.009