Palupi I, Suwondo BS. Comparison between the Apfel Score and the Koivuranta Score in Predicting the Occurrence of Postoperative Nausea and Vomiting during General Anesthesia. jka [Internet]. 2023Nov.1 [cited 2024Sep.30];11(1):32-9. Available from: https://dev.journal.ugm.ac.id/v3/jka/article/view/11714