Efficacy and safety of transdermal buprenorphine versus transdermal fentanyl in patients with persistent postoperative pain after oral malignant tumor surgery
LI Meng-ya, SUN Yu, JIANG Hong
China Journal of Oral and Maxillofacial Surgery . 2018, (5): 431 -435 .  DOI: 10.19438/j.cjoms.2018.05.009