Hoontanee, Nattakhan, and Pornchanan Duriyaprapan. 2016. “Postoperative Nausea and Vomiting Incidence in Craniotomy Patients and Associated Factors”. Thai Journal of Anesthesiology 41 (3):137-38. https://he02.tci-thaijo.org/index.php/anesthai/article/view/58687.