Ustaoglu, Gulbahar, Duygu Goller Bulut, and Kerem Caglar Gumus. 2021. “Possible Risk Factors of Sinus Membrane Perforation During Sinus Floor Elevation: A Retrospective Study”. Annals of Medical Research 28 (7):1315-20. http://www.annalsmedres.org/index.php/aomr/article/view/3841.