title: TTP: new clues to the etiology of an enigmatic disease.
mesh_terms: D005078:Exchange Transfusion, Whole Blood; D006801:Humans; D007105:Immune Complex Diseases; D010949:Plasma; D011697:Purpura, Thrombotic Thrombocytopenic / Q000209:etiology* / Q000628:therapy; D012075:Remission, Spontaneous