Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Sukmaningsih, Ni Made, Hartawan, I Gusti Agung Gede, Aryabiantara, I, AND Shintya Dewi, Dewa Ayu. " PREOPERATIVE ANXIETY LEVELS IN ELECTIVE SURGERY PATIENTS AT PROF DR. I.G.N.G. NGOERAH CENTRAL GENERAL HOSPITAL" Essential: Essence of Scientific Medical Journal [Online], Volume 22 Number 2 (6 April 2025)