Belmar, María José Gelatinolytic activity in gingival crevicular fluid from teeth with periapical lesions. [electronic resource] - Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics Jun 2008 - 801-6 p. digital Publication Type: Journal Article ISSN: 1528-395X Standard No.: 10.1016/j.tripleo.2007.12.002 doi Subjects--Topical Terms: AdultCase-Control StudiesDensitometryElectrophoresis, Polyacrylamide GelFemaleGelatin--metabolismGingival Crevicular Fluid--enzymologyHumansMaleMatrix Metalloproteinase 2--metabolismMatrix Metalloproteinase 9--metabolismPeriapical Periodontitis--enzymology