Krishnappa, S., and A. Jacob. “A Rare Case of Polyembolokoilamania of Nose in a Neuropsychiatry Patient”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 3, Apr. 2019, pp. 817-9, doi:10.18203/issn.2454-5929.ijohns20191758.