Samad, A. A., A. A. Haider, and O. I. Shihab. “Comparison Between Flapless and Flap Dental Implant Surgery: A Clinical and Radiographic Study”. Zanco Journal of Medical Sciences (Zanco J Med Sci), vol. 20, no. 2, Aug. 2016, p. 1267 _ 1271, doi:10.15218/zjms.2016.0019.