1. Anwar-us-Salam, Abid SH, Abdulla EM (1997) Suppurative otitis in Karachi: an audit of 510 cases. Pakistan J Otolaryngol 13:66–69
2. Ifante-Rivard C, Fernandez A (1993) Otitis Media in Children: frequency, risk factors, and research avenues. Epidemiol Rev 15:446–465
3. Gates GA (1996) Considerations in Otitis Media treatment. Otolaryngol Head Neck Surg 114(4):525–530
4. Dhingra PL (ed) (2010) ; 5th ed. Sec-1 Diseases of Ear, Chap-10 Disorders of Middle Ear: p 69–74
5. Monasta L, Ronfani L, Marchetti F, Montico M, Vecchi Brumatti L et al (2012) Burden of Disease caused by Otitis Media: systematic review and global estimates. PLoS ONE 7(4):e36226