title: The Chöffler train.
mesh_terms: D001167:Arteritis / Q000145:classification*; D006099:Granuloma / Q000145:classification*; D014890:Granulomatosis with Polyangiitis / Q000145:classification; D006801:Humans; D006967:Hypersensitivity / Q000145:classification*; D010488:Polyarteritis Nodosa / Q000145:classification; D011657:Pulmonary Eosinophilia / Q000145:classification