title: [Botulin toxin a--from poison to muscle relaxant].
mesh_terms: D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D006801:Humans; D009103:Multiple Sclerosis / Q000188:drug therapy; D009125:Muscle Relaxants, Central / Q000627:therapeutic use*; D010166:Palliative Care; D010264:Paraplegia / Q000188:drug therapy; D011788:Quality of Life; D014103:Torticollis / Q000188:drug therapy*
chemical_list: D009125:Muscle Relaxants, Central; D019274:Botulinum Toxins, Type A