title: Injection of botulinum A toxin for hemifacial spasm.
authors.forename: J B
authors.initials: JB
authors.lastname: Holds
mesh_terms: D001905:Botulinum Toxins / Q000494:pharmacology* / Q000627:therapeutic use*; D004305:Dose-Response Relationship, Drug; D005152:Facial Muscles / Q000187:drug effects*; D006801:Humans; D007273:Injections, Intramuscular; D013035:Spasm / Q000188:drug therapy*
chemical_list: D001905:Botulinum Toxins