title: A double-blind, randomized, placebo-controlled, two-dose comparative study of botulinum toxin type A for treating glabellar lines in Japanese subjects: what if sample size and statistical tests mattered?
authors: Alberto
authors: A
authors: Mangano
authors: Andrea
authors: A
authors: Albertin
authors: Luca
authors: L
authors: La Colla
mesh_terms: D000368:Aged; D044466:Asian People / Q000706:statistics & numerical data; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D004954:Esthetics; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007279:Injections, Subcutaneous; D008875:Middle Aged; D018570:Risk Assessment; D015595:Skin Aging / Q000187:drug effects* / Q000208:ethnology; D016896:Treatment Outcome
chemical_list: D019274:Botulinum Toxins, Type A