title: Botulinum toxin in long-term therapy for achalasia.
authors.forename: V
authors.initials: V
authors.lastname: Annese
authors.forename: V
authors.initials: V
authors.lastname: D'Onofrio
authors.forename: A
authors.initials: A
authors.lastname: Andriulli
mesh_terms: D001905:Botulinum Toxins / Q000627:therapeutic use*; D004931:Esophageal Achalasia / Q000188:drug therapy*; D006801:Humans
chemical_list: D001905:Botulinum Toxins