Lorne M. Golub, Timo Sorsa, Hsi-Ming Lee, Sebastian Ciancio, Darius Sorbi, Nungavaram S. Ramamurthy, Barry Gruber, Tuula Salo, Yrjö T. Konttinen,
Doxycycline inhibits neutrophil (PMN)‐type matrix metalloproteinases in human adult periodontitis gingiva Journal of Clinical Periodontology. ,vol. 22, pp. 100- 109 ,(2005) ,
10.1111/J.1600-051X.1995.TB00120.X