Characterization of progressive periodontal lesions in chronic periodontitis patients: levels of chemokines, cytokines, matrix metalloproteinase-13, periodontal pathogens and inflammatory cells 

Levels of Interferon-Gamma and Transcription Factor T-Bet in Progressive Periodontal Lesions in Patients With Chronic Periodontitis 

Gelatinolytic activity in gingival crevicular fluid from teeth with periapical lesions 

Proteolytic roles of matrix metalloproteinase (MMP)-13 during progression of chronic periodontitis: initial evidence for MMP-13/MMP-9 activation cascade 

Matrix metalloproteinase-13 is highly expressed in destructive periodontal disease activity 

High expression levels of receptor activator of nuclear factor-kappa B ligand associated with human chronic periodontitis are mainly secreted by CD4+ T lymphocytes 

MMP-13 and TIMP-1 determinations in progressive chronic periodontitis