title: Botulinum toxin--how a poison turned to a fascinating ally against an old adversary.
authors: Faculdade de Ciências Médicas, Departamento de Neurologia, Universidade Estadual de Campinas, Sao Paulo, SP, Brazil.
authors: Elizabeth M A Barasnevicius
authors: EM
authors: Quagliato
mesh_terms: D000203:Activities of Daily Living; D005260:Female; D006801:Humans; D008297:Male; D011788:Quality of Life / Q000523:psychology*; D014103:Torticollis / Q000503:physiopathology* / Q000523:psychology*