title: Importance of botulinum toxin for prevention of migraine.
authors.forename: Frederick G
authors.initials: FG
authors.lastname: Freitag
mesh_terms: D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D006801:Humans; D008881:Migraine Disorders / Q000517:prevention & control*; D009465:Neuromuscular Agents / Q000627:therapeutic use*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A