SAHBAZ, İbrahim, Mehmet Tolga TANER, Mustafa ELIACIK, Gamze KAGAN, Engin ERBAS, and Hazar ENGUNYURT. 2014. “Deployment of Six Sigma Methodology to Reduce Complications in Intravitreal Injections”. International Review of Management and Marketing 4 (2):160-66. https://econjournals.com.tr/index.php/irmm/article/view/779.