Lowe, Nicholas J Bilateral, double-blind, randomized comparison of 3 doses of botulinum toxin type A and placebo in patients with crow's feet. [electronic resource] - Journal of the American Academy of Dermatology Dec 2002 - 834-40 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0190-9622 Standard No.: 10.1067/mjd.2002.124070 doi Subjects--Topical Terms: AgedBotulinum Toxins, Type A--administration & dosageDose-Response Relationship, DrugDouble-Blind MethodDrug Administration ScheduleEstheticsFacial Muscles--drug effectsFemaleFollow-Up StudiesHumansInjections, SubcutaneousMaleMiddle AgedNeuromuscular Agents--administration & dosageProbabilityProspective StudiesReference ValuesSkin Aging--drug effectsTreatment Outcome