Giovanni Cantarella, Giuseppa La Camera, Pierfilippo Di Marco, Danilo Carmelo Grasso, and Bruno Lanzafame. 2018. “Controlled Hypotension During Middle Ear Surgery: Hemodynamic Effects of Remifentanil Vs Nitroglycerin”. Annali Italiani Di Chirurgia 89 (3):283-86. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1117.