title: Botulinum toxin type A injection for hyperfunctional facial lines.
authors.affiliation: Department of Otolaryngology, College of Physicians and Surgeons, Columbia Presbyterian Medical Center, Columbia University, New York, NY 10032, USA.
authors.forename: M S
authors.initials: MS
authors.lastname: Keen
authors.forename: M M
authors.initials: MM
authors.lastname: Khosh
mesh_terms: D018726:Anti-Dyskinesia Agents / Q000008:administration & dosage* / Q000009:adverse effects / Q000494:pharmacology; D001905:Botulinum Toxins / Q000008:administration & dosage* / Q000009:adverse effects / Q000494:pharmacology; D000075202:Contraindications; D004576:Electromyography / Q000187:drug effects / Q000295:instrumentation / Q000379:methods; D005152:Facial Muscles / Q000187:drug effects; D005546:Forehead; D006801:Humans; D015595:Skin Aging / Q000187:drug effects*; D013997:Time Factors
chemical_list: D018726:Anti-Dyskinesia Agents; D001905:Botulinum Toxins