title: Botulinum toxin-A is an effective and safe treatment for chronic migraine.
authors.forename: J Alexander
authors.initials: JA
authors.lastname: de Ru
mesh_terms: D019274:Botulinum Toxins, Type A / Q000008:administration & dosage* / Q000009:adverse effects; D002908:Chronic Disease; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis / Q000188:drug therapy*; D009465:Neuromuscular Agents / Q000008:administration & dosage* / Q000009:adverse effects; D016896:Treatment Outcome
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A