Sahbaz, I., Taner, M. T., Sanisoglu, H., Kar, T., Kagan, G., Durmus, E., Tunca, M., Erbas, E., Armagan, I., & Kagan, M. K. (2014). Deployment of Six Sigma Methodology in Pars Plana Vitrectomy. International Journal of Statistics in Medical Research, 3(2), 94–102. https://doi.org/10.6000/1929-6029.2014.03.02.3