title: Botulinum toxin type A injection for hyperfunctional facial lines.
authors.forename: S R
authors.initials: SR
authors.lastname: Herwig
mesh_terms: D019274:Botulinum Toxins, Type A / Q000008:administration & dosage*; D006801:Humans; D009465:Neuromuscular Agents / Q000008:administration & dosage*; D014832:Voice Disorders / Q000188:drug therapy
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A