title: [Comparison between continuous thoracic epidural and paravertebral blocks for postoperative analgesia in patients undergoing thoracotomy: meta-analysis of clinical trials].
authors.affiliation: Universidade Federal de Alagoas, Maceió, AL, Brasil. Electronic address: fabianotimbo@yahoo.com.br.
authors.forename: Fabiano Timbó
authors.initials: FT
authors.lastname: Barbosa
authors.affiliation: Centro Universitário Uniseb Interativo, Maceió, AL, Brasil.
authors.forename: Tatiana Rosa Bezerra Wanderley
authors.initials: TR
authors.lastname: Barbosa
authors.affiliation: Hospital Unimed, Maceió, Maceió, AL, Brasil.
authors.forename: Rafael Martins da
authors.initials: RM
authors.lastname: Cunha