@incollection{Cho13, author = {Jeong Keun Lee and Yong Seok Cho}, title = {Outfracture Osteotomy Sinus Graft: A Modified Technique Convenient for Maxillary Sinus Lifting}, booktitle = {A Textbook of Advanced Oral and Maxillofacial Surgery}, publisher = {IntechOpen}, address = {Rijeka}, year = {2013}, editor = {Mohammad Hosein Kalantar Motamedi}, chapter = {24}, doi = {10.5772/53301}, url = {https://doi.org/10.5772/53301} }