1.Bluestone CD, Stool SE, Kenna MA. Pediatric otolaryngology. 3rd ed. Philadelphia: W.B. Saunders; 1996.
2.Cummings CW, Flint PW, Harker LA, Haughey BH, Richardson MA, Robbins KT, et al. Cummings otolaryngology, head and neck surgery. 3rd ed. Philadelphia: Mosby-Elsevier; 1998.
3.Lin YS, Lin LC, Lee FP, Lee KJ. The prevalence of chronic otitis media and its complication rates in teenagers and adult patients. Otolaryngol Head Neck Surg 2009; 140(2): 165-70.
4.Vartiainen E. Changes in the clinical presentation of chronic otitis media from the 1970s to the 1990s. J Laryngol Otol 1998; 112(11): 1034-7.
5.Bbatia PL, Varughese R. Pattern of otorhinolaryngological diseases in Jos community. Nig Med J 1987; 17: 67-73.
6.Okafor BC. The chronic discharging ear in Nigeria. J Laryngol Otol 1984; 98(2): 113-9.
7.Bluestone CD. Studies in otitis media: Children's Hospital of Pittsburgh-University of Pittsburgh progress report-2004. Laryngoscope2004; 114(11 Pt 3): 1-26.
8.Osma U, Cureoglu S, Hosoglu S. The complications of chronic otitis media: Report of 93 cases. J Laryngol Otol 2000; 114(2): 97-100.
9.Abada RL, Mansouri I, Maamri M, Kadiri F. [Complications of chronic otitis media]. Ann Otolaryngol Chir Cervicofac 2009; 126(1): 1-5. (French)
10.Das LCA, Jumani K, Kashyap GCR. Subdural empyema: A rare complication of chronic otitis media. MJAFI 2005; 61: 281-3.
11.Trimis G, Mostrou G, Lourida A, Prodromou F, Syriopoulou V, Theodoridou M. Petrositis and cerebellar abscess complicating chronic otitis media. J Paediatr Child Health 2003; 39(8): 635-6.
12.Kaplan DM, Fliss DM, Kraus M, Dagan R, Leiberman A. Audiometric findings in children with chronic suppurative otitis media without cholesteatoma. Int J Pediatr Otorhinolaryngol 1996; 35(2): 89-96.
13.Van der Veen EL, Schilder AG, Van Heerbeek N, Verhoeff M, Zielhuis GA, Rovers MM. Predictors of chronic suppurative otitis media in children. Arch Otolaryngol Head Neck Surg 2006; 132(10): 1115-8.
14.Silveira Netto LF, da Costa SS, Sleifer P, Braga ME. The impact of chronic suppurative otitis media on children's and teenagers' hearing. Int J Pediatr Otorhinolaryngol 2009; 73(12): 1751-6.
15.Papp Z, Rezes S, Jokay I, Sziklai I. Sensorineural hearing loss in chronic otitis media. Otol Neurotol 2003; 24(2): 141-4.
16.Tos M. Sensorineural hearing loss in acute and chronic middle ear diseases. Acta Otolaryngol Suppl 1989; 457: 87-93.
17.Rosenfeld RM, Culpepper L, Doyle KJ, Grundfast KM, Hoberman A, Kenna MA, et al. Clinical practice guideline: Otitis media with effusion. Otolaryngol Head Neck Surg 2004; 130(5 Suppl): 95-118.
18.Siampara L, Mann S, Panda N, Mehra Y. Audiovestibular profile in unilateral chronic suppurative otitis media. Indian J Otolaryngol Head Neck Surg 1997; 49(2): 107-11.
19.Feng H, Chen Y, Ding Y. [Analysis of preoperative findings and ossicular condition in chronic suppurative otitis media]. Lin Chuang Er Bi Yan Hou Ke Za Zhi 2005; 19(1): 7-8, 11. (Chinese)