Assmann, Gunter Gastrointestinal perforation due to vasculitis at primary diagnosis of eosinophilic granulomatosis with polyangiitis (EGPA) despite a high dose glucocorticosteroids treatment. [electronic resource] - SpringerPlus 2014 - 404 p. digital Publication Type: Case Reports; Journal Article ISSN: 2193-1801 Standard No.: 10.1186/2193-1801-3-404 doi