title: Why make patients exercise facial muscles for 4 hours after botulinum toxin treatment?
authors.forename: Te-Shao
authors.initials: TS
authors.lastname: Hsu
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Dover
authors.forename: Michael S
authors.initials: MS
authors.lastname: Kaminer
authors.forename: Kenneth A
authors.initials: KA
authors.lastname: Arndt
authors.forename: Mei-Heng
authors.initials: MH
authors.lastname: Tan
mesh_terms: D019274:Botulinum Toxins, Type A / Q000008:administration & dosage*; D003357:Cosmetic Techniques; D015444:Exercise; D005152:Facial Muscles; D006801:Humans; D007273:Injections, Intramuscular; D009465:Neuromuscular Agents / Q000008:administration & dosage*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A