title: Comparison of chemical composition of packable resin composites by scanning electron microscopy.
authors.affiliation: Department of Radiology, PUCRS.
authors.forename: Ana Amélia Bianchi E
authors.initials: AA
authors.lastname: Silva
authors.forename: Elaine Bauer
authors.initials: EB
authors.lastname: Veeck
authors.forename: José Pedro Peixoto de
authors.initials: JP
authors.lastname: Oliveira
authors.forename: Paulo Henrique Couto
authors.initials: PH
authors.lastname: Souza