title: The art and science of treating facial wrinkles with botulinum toxin A.
authors: Arnold W
authors: AW
authors: Klein
mesh_terms: D019274:Botulinum Toxins, Type A / Q000008:administration & dosage*; D005145:Face; D006801:Humans; D015595:Skin Aging / Q000187:drug effects*
chemical_list: D019274:Botulinum Toxins, Type A