5Bhat K V, Naseeruddin K, Naqalotimath U S, et al. Cortical mastoidectomy in quiescenttubotympanicchronicotitis media is it routinely necessary [ J ]. J Laryngol Otol , 2009,123 : 383 - 390.
6Mishiro Y, Sakagami M, Kondoh K, et al. Long term outcomes after tympanoplasty with and without mastoideetomy for perfora- ted chronic otitis media [ J ]. Eur Arch Otorhinolarygol, 2009, 266:819 - 822.
6DOUGLAS S S,MICHAEL L T,BABAK M J,et al: Fibroblast responseto hypoxia: the relationshipbe- tween angiogenesis andmatrix regulation [J]. J Surg Res, 1999,84 .. 127-- 133.
7WINGTER G D. Formation of the scab and the rate of epithelialisation ofsuperficial wounds in the skin of the young domestic pig[J]. Wound Care, 1995,4:366 -367.
8JOHNMN A P,SMALLMAN L A,KENT S E,et al. The mechanism of healing of TM perforation[J]. Acta OtoIaryngol(stock h) ,1990,109:406--415.
9HOLMQUIST J, BERGSTROM B. The mastoid air cell system in ear surgery[J]. Arch Otolaryngol, 1978,104:127 -129.
10RUHL C H, PENSAK M I. Role of aerating mastoidectomy in noneholesteatomatous chronic otitis media[J]. Laryngoscope,1999,109:1924- 1927.