Kernytskyy, R. V., Guluk, A. G., Gorjanova, N. O., & Ulianov, V. O. (2012). Features of morphofunctional changes in periodontal tissue in patients with chronic parodontitis and periodontitis. Морфологія / Morphologia / Morfologìâ, 6(4), 58–63. https://doi.org/10.26641/1997-9665.2012.4.58-63