title: Swine influenza vaccine and Guillain-Barré syndrome. Epidemic or artifact?
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D009980:Influenza A virus; D011129:Polyradiculoneuropathy / Q000209:etiology*; D014481:United States; D014765:Viral Vaccines / Q000009:adverse effects*
chemical_list: D014765:Viral Vaccines