1. Burket's oral medicine;Greenberg,2008
2. Oral and maxillofacial pathology;Neville,2009
3. Bates' guide to physical examination and history taking;Bickley,2008
4. Rapid clinical evaluation of anosmia: the alcohol sniff test;Davidson;Arch Otolaryngol Head Neck Surg,1997
5. Robbins & Cotran pathologic basis of disease;Kumar,2004