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APA Citation
Froum, S. J., Khouly, I., Favero, G., & Cho, S. (2013). effect of Maxillary Sinus Membrane Perforation on Vital Bone Formation and Implant Survival: A Retrospective Study. Journal of periodontology, 84(8), 1094–1099. http://access.bl.uk/ark:/81055/vdc_100057587306.0x000028