Comparative study of two autogenous graft techniques using piezosurgery for sinus lifting - Camargo Filho, Geraldo Prestes de; Corrêa, Luciana; Costa, Claudio; Pannuti, Cláudio Mendes; Schmelzeisen, Rainer; Luz, João Gualberto de Cerqueira (Acta Cirúrgica Brasileira, 2010)