“Efek Kombinasi Epidural Dan Obat Anti-Inflamasi Nonsteroid Terhadap Nyeri Dan Kadar Prostaglandin”. Jurnal Anestesi Perioperatif, vol. 6, no. 1, Apr. 2018, pp. 34-40, https://doi.org/10.15851/jap.v6n1.1288.