“Perbedaan Kebutuhan Morfin PCA Pascalaparatomi Antara Infiltrasi Ketamin Dan Infiltrasi Levobupivakain”. Jurnal Anestesi Perioperatif 9, no. 3 (December 24, 2021): 142–149. Accessed July 20, 2026. https://journal.fk.unpad.ac.id/index.php/jap/article/view/2493.