title: [Botulinum toxin or lateral sphincterotomy for the treatment of chronic anal fissure?].
authors.affiliation: Faculdade de Medicina, UNILUS, Santos, SP, Brazil.
authors.forename: Felipe Toyama
authors.initials: FT
authors.lastname: Aires
authors.forename: Romulo Paris
authors.initials: RP
authors.lastname: Soares
authors.forename: Wanderley Marques
authors.initials: WM
authors.lastname: Bernardo
authors.forename: Sérgio Eduardo Alonso
authors.initials: SE
authors.lastname: Araujo
mesh_terms: D001003:Anal Canal / Q000601:surgery; D001905:Botulinum Toxins / Q000009:adverse effects*; D002908:Chronic Disease; D005401:Fissure in Ano / Q000188:drug therapy* / Q000601:surgery*; D006801:Humans; D009465:Neuromuscular Agents / Q000009:adverse effects*; D016032:Randomized Controlled Trials as Topic; D012008:Recurrence; D018570:Risk Assessment; D013997:Time Factors
chemical_list: D009465:Neuromuscular Agents; D001905:Botulinum Toxins