KI-67 AND MATRIX METALLOPROTEINASE-9 EXPRESSION IN THE FOLLICULAR CYST, KERATOCYSTIC ODONTOGENIC TUMOR, AND AMELOBLASTOMA ArticleBabichenko I.I., Semkin V.A., Usachev E.S., Katushkina A.A.Arkhiv Patologii. Vol. 75. 2013. P.. 10-14