1. Foreign bodies in the nasal cavities: a comprehensive review of the aetiology, diagnostic pointers, and therapeutic measures;Kalan;Postgrad Med J,2000
2. Two cases of intranasal foreign body which treatment results are extremely different;J H;International Journal of Pediatric Otorhinolaryngology September,2014
3. Foreign bodies of the ears and nose in childhood;Baker;Pediatric Emergency care,1987
4. 4. Brian Rempe M.D., kara Iskuan M. D., Mara Aloi M. D. An evidence based review of pediatric retained foreign bodies. Paediatric Emergency Practice Medicine-E B Medine - Dec. 2009, 6 (12).
5. 5. Jonathan I. Fischer, M.D., and Asim Tarabar M.D., e-medicine online; Nasal foreign bodies: October 15 2013.