title: Botulinum toxin--the need for a controlled study.
authors.forename: L
authors.initials: L
authors.lastname: Kowal
mesh_terms: D001905:Botulinum Toxins / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D013285:Strabismus / Q000188:drug therapy*
chemical_list: D001905:Botulinum Toxins