Successful Management of a Retroperitoneal Kaposiform Hemangioendothelioma with Kasabach-Merritt Phenomenon Using α-Interferon - Harper, L; Michel, J L; Enjolras, O; Raynaud-Mounet, N; Rivière, J P; Heigele, T; De Napoli-Cocci, S (European Journal of Pediatric Surgery, 2006)