Production of Matrix Metalloproteinases(MMPs) and Their Inhibitors (TIMPs) by Human Periodontal Ligament Cells. Effects of Sonicated Bacterial Extracts from Anaerobic Gram-negative Bacteria.
Terranova, V. P. and Wikesjo, U. M. E.: Extracel-lular matrices and polypeptide growth factors as mediators of functions of cells of the peri-odontium. J. Periodontol., 58 (6) : 371-380, 1986.