title: Prospective Randomized Split-Face Comparative Study Between Topical Botulinum Toxin A Surface Application and Local Injection for Crow's Feet.
authors.affiliation: Department of Dermatology, Henry Ford Hospital, Detroit, Michigan Department of Dermatology, Ain Shams University, Cairo, Egypt Department of Dermatology, Henry Ford Hospital, Detroit, Michigan Department of Dermatology, Henry Ford Hospital, Detroit, Michigan Dermatology Associates of Wisconsin, Glendale, Wisconsin AboutSkin Dermatology and DermSurgery, Englewood, Colorado.
authors.forename: Bassel H
authors.initials: BH
authors.lastname: Mahmoud
authors.forename: David
authors.initials: D
authors.lastname: Ozog
authors.forename: Christopher
authors.initials: C
authors.lastname: Burnett
authors.forename: Joel L
authors.initials: JL
authors.lastname: Cohen
mesh_terms: D000287:Administration, Topical; D000328:Adult; D000368:Aged; D019274:Botulinum Toxins, Type A / Q000008:administration & dosage*; D005145:Face; D005260:Female; D006801:Humans; D007267:Injections; D008875:Middle Aged; D011446:Prospective Studies; D015595:Skin Aging
chemical_list: D019274:Botulinum Toxins, Type A