Association Between Postoperative Nausea Severity and Pain Intensity in Patients Experiencing Postoperative Nausea and Vomiting After Minor Oral and Maxillofacial Surgery: A Retrospective Cohort Study - Yuta Horikoshi; Tina Nakamura; Masanori Tsukamoto; Fumika Ogata; Hiroshi Hoshijima; Hiroshi Nagasaka; Katsushi Doi; Tsutomu Mieda (Journal of Clinical Medicine, 2026)