title: Long-term safety of botulinum toxin type A.
mesh_terms: D019274:Botulinum Toxins, Type A / Q000009:adverse effects* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D006801:Humans; D009422:Nervous System Diseases / Q000628:therapy*; D009465:Neuromuscular Agents / Q000009:adverse effects* / Q000627:therapeutic use; D013997:Time Factors; D016896:Treatment Outcome
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A