Mastromatteo-Alberga, Patrizzia, 		Escalona Cárdenas, Laura, AND 		Correnti, María.
" Cytokines and MMPs levels in gingival crevicular fluid from patients with chronic periodontitis before and after non-surgical periodontal therapy." <em>Journal of Oral Research</em> [Online], Volume 7 Number 3 (27 March 2018)