title: In response.
authors.affiliation: Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
authors.forename: Arthur Werner
authors.initials: AW
authors.lastname: Poetscher
authors.forename: Mario
authors.initials: M
authors.lastname: Lenza
authors.forename: André
authors.initials: A
authors.lastname: Gentil
authors.forename: Mario
authors.initials: M
authors.lastname: Ferretti Filho
mesh_terms: D003714:Denervation / Q000379:methods*; D006801:Humans; D017116:Low Back Pain / Q000601:surgery*; D021801:Zygapophyseal Joint / Q000601:surgery*