1. [1] Gopen Q. Pathology and clinical course of the inflammatory diseases of the middle ear. In: Gulya AJ, Minor LB, Poe DS, eds. Glasscock-Schambaugh surgery of the ear. 6th edn. Shelton, Connecticut: People's Medical Publishing House-USA 2010.
2. [2] Nadol JB. The chronic draining ear. In: Gates GA, ed. Current therapy in otolaryngology: head neck surgery. B.C. Decker Inc 1987:18-22.
3. [3] Browning GG. Merchant SN, Kelly G, et al. Chronic otitis media. In: Gleeson M, ed. Scott-Brown's otorhinolaryngology: head and neck surgery. 7th edn. Great Britain: Edward Arnold Publishers Ltd 2008.
4. [4] Haynes DS, Wittkopf J. Canal-wall-up mastoidectomy. In: Gulya AJ, Minor LB, Poe DS, eds. Glasscock-Schambaugh surgery of the ear. 6th edn. Shelton, Connecticut: People's Medical Publishing House-USA 2010.
5. [5] Kveton JF. Open cavity mastoid operations. In: Gulya AJ, Minor LB, Poe DS, eds. Glasscock-Schambaugh surgery of the ear. 6th ed. Shelton, Connecticut: People's Medical Publishing House-USA 2010.