Petrushanko, T. A., Moshel, T. N., Hancho, O. V., Popovich, I. Y., Bubliy, T. D., & Bobrova, N. A. (2018). Effectiveness of NBF Gingival Gel use for treatment of patients with chronic catarrhal gingivitis. Zaporozhye Medical Journal, (2). https://doi.org/10.14739/2310-1210.2018.02.125174