Di Girolamo, M., R. Calcaterra, R. Di Gianfilipp, C. Arcuri, and L. Baggi. 2016. “Bone Level Changes Around Platform Switching and Platform Matching Implants: A Systematic Review With Meta-Analysis”. Oral & Implantology 9 (1):1-10. https://www.oimplantology.org/oimp/article/view/139.