Ewing sarcoma osseous and extraosseous : a clinicopathologic study of 29 cases
Ayadi L, Chaari C, Kallel R, Ayadi K, Khabir A, Jlidi R, Daoud J, Frikha M, Makni S, Sellami-Boudawara T.
Tunis Med. 2010 May;88(5):301-5. French.

Primary Ewing's sarcoma of the maxillary sinus: report of a new case, successfully treated by radiotherapy and systemic chemotherapy
Farah-Klibi F, El Amine O, Rameh S, Resi H, Châabane H, Touati S, Frikha H, Raies H, Mezlini A,Maalej M, Adouani A, Baltagi Ben Jilani S, Zermani R.
Tunis Med. 2009 Oct;87(10):716-7. French. No abstract available.