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| 2024, Vol. 41(9): 1378-1381 DOI: 10.3969/j.issn.1671-7171.2024.09.027 | ||
| Effect of Hydromorphone Combined with Tramadol on Postoperative Intravenous Patient-Controlled Analgesia in Patients with Tuberculous Empyema | ||
| YE Xia, WANG Lu | ||
| Department of Anesthesiology, Xi'an Chest Hospital, Xi'an Shaanxi 710061 | ||
| Received 2023-06-15 Revised null | ||
| Supporting info | ||
| null | ||
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