1. Surgical disorders of ears, nose, Paranasal sinuses, pharynx and larynx;Snow,1997
2. The teeth and gums, jaws, nose, ear;Seward,1995
3. Living leech in nose and nasopharynx;Kumar;Indian Journal of Otolaryngology,1989
4. Nasal leech infestation of man;Campbell;Trop Geogr Med,1987
5. Unavoidable epistaxis in the nasal infestation of leeches;Bergua;Acta Otorrinolarinngol Esp,1993