Carrau, RL Segas, J Nuss, DW Snyderman, CH Janecka, IP and Myers, EN D'Amico, F Johnson, JT, Squamous cell carcinoma of the sinonasal tract invading the orbit, Laryngoscope, (109), 230-235, 1999, Lippincott, Williams & Wilkins, 0023-852X, 1531-4995