Effect of esketamine-based patient-controlled intravenous analgesia on postoperative pain and quality of recovery after video-assisted thoracoscopic lobectomy: A prospective, double-blind, randomized controlled trial - Ruirui Bi; Jiqiang Zhang; Ruijuan Liu; Lijuan Li; Yuxi Su; Mengjun Xu; Wenjun Yan (PLoS ONE, 2026)