title: Potency of frozen/thawed botulinum toxin type A in the treatment of torsion dystonia.
authors.forename: P
authors.initials: P
authors.lastname: Greene
mesh_terms: D001764:Blepharospasm / Q000188:drug therapy*; D001905:Botulinum Toxins / Q000627:therapeutic use*; D004349:Drug Packaging; D004356:Drug Storage / Q000379:methods*; D004866:Equipment Contamination; D005615:Freezing; D006801:Humans
chemical_list: D001905:Botulinum Toxins