Purnomo, Dedi Pujo, Mahmud, and Yusmein Uyun. “Patient Controlled Analgesia (PCA) Post Operation”. Jurnal Komplikasi Anestesi 2, no. 2 (May 27, 2023): 95-111. Accessed December 18, 2024. https://journal.ugm.ac.id/v3/jka/article/view/7201.