Tirta, Ian, I Made Gede Widnyana, Cynthia Dewi Sinardja, Kadek Agus Heryana Putra, Pontisomaya Parami, I Putu Pramana Suarjaya, Made Wiryana, and Tjokorda Gde Agung Senapathi. “THE EFFECTIVENESS OF GREATER AURICULAR NERVE (GAN) BLOCK USING ISOBARIC ROPIVACAINE AS AN ANALGESIC ADJUVANT AS COMPARED TO INTRAVENOUS OPIOID AS ANALGESIA FOR MIDDLE EAR SURGERY”. PREPOTIF : JURNAL KESEHATAN MASYARAKAT 8, no. 1 (August 30, 2024): 2559–2569. Accessed November 25, 2024. http://journal.universitaspahlawan.ac.id/index.php/prepotif/article/view/27255.