Puapermpoonsiri P. Comparison of Xylocaine with Adrenaline and Cocaine in the Nasal Endoscopy: a Randomized Double Blind Controlled Trial. Vajira Med J [internet]. 2011 Sep. 29 [cited 2026 Jan. 6];55(1):3-8. available from: https://he02.tci-thaijo.org/index.php/VMED/article/view/476