Assessment of interobserver concordance in polysomnography scoring of sleep bruxism oleh Otávio Ferraz, Thais de Moura Guimarães, Milton Maluly Filho, Cibele Dal-Fabbro, Thays Abraão Crosara Cunha, Ana Cristina Lotaif, Teresa Cristina Barros Schütz, Rogério Santos-Silva, Sergio Tufik, Lia Bittencourt