title: Letter: Polyarteritis after influenza vaccination.
mesh_terms: D001249:Asthma / Q000517:prevention & control; D001996:Bronchopneumonia / Q000150:complications; D004205:Cromolyn Sodium / Q000627:therapeutic use; D048909:Diabetes Complications; D006417:Hematuria / Q000150:complications; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000209:etiology*; D011239:Prednisolone / Q000627:therapeutic use
chemical_list: D007252:Influenza Vaccines; D011239:Prednisolone; D004205:Cromolyn Sodium