[Idiopathic hypereosinophilic syndrome associated with rheumatoid arthritis. A case report]
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The idiopathic hypereosinophilic sindrome (HES) is a disease characterized by persistent blood eosinophilia (> 1500 eosinophils/mm3 > 6 months) -in absence of other ethiologies for eosinophilia (parasitic, allergic, immunological or malignant diseases)- associ... ...
