title: Botulinum toxin type A's efficacy in nummular headache.
authors.forename: Petcharat
authors.initials: P
authors.lastname: Dusitanond
authors.forename: William
authors.initials: W
authors.lastname: Young
mesh_terms: D000328:Adult; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D005260:Female; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D009465:Neuromuscular Agents / Q000627:therapeutic use*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A