“Single Versus Double Injection Techniques in Supraclavicular Brachial Plexus Block and the Role of Perfusion Index: A Narrative Review”. Jurnal Anestesiologi dan Terapi Intensif 2, no. 1 (April 5, 2026): 25–32. Accessed August 17, 2026. https://ejournal4.unud.ac.id/index.php/jati/article/view/500.