1. Embryology and anatomy of the head, neck, palate, nose and paranasal sinuses;Davies,1980
2. Medical Embryology;Langman,1963
3. Histology and pathology of the nose and sinuses;Lober,1980
4. Wegener’s granulomatosis;Kornblut;Laryngoscope,1980
5. Textbook of Pathology with Clinical Application. Ed. 2;Robbins,1962