8Borch T S, Holmstrup P, Bendtzen K, et al. In Vitro cytokineresponses to periodontal pathogens : generalized aggressive periodontitis is associated with increased IL-6 response to Porphyromonas gingivalis[J]. Scand J Immunol, 2010 , 71 (6) : 440-446.
9Ng Y L, Mann V, Gulabivala K. Outcome of secondary root canal treatment : a systematic review of the literature [ J ]. Int Endod J, 2008,41 (12) :1023-1046.
10Borch TS, Holmstrup P, Bendtzen K, et al. In vitro cytokine responses to periodontal pathogens: generalized aggressive periodontitis is associated with increased IL-6 response to Porphyromonas gingivalis[J]. Scand J Immunol, 2010, 71 (6) : 440-446.
