@article{article3c020720,
title   = {Effectiveness of piezoelectric surgery in preparing the lateral window for maxillary sinus augmentation in patients with sinus anatomical variations: a case series},
author = {Cortes, Arthur Rodriguez and Cortes, Djalma Nogueira and Arita, Emiko Saito},
year = {2012},
journal   = {The Internacional Journal of Oral & Maxillofacial Implants}
}