For citations:
Ivaschenko A.V., Yablokov A.E., Kolganov I.N., Shcherbakov M.V., Bazhutova I.V., Yablokova A.E., Chigarina S.E., Nesterov A.M. The use of Kollapan in the treatment of periodontal diseases. Medical alphabet. 2021;1(38):58-60. (In Russ.) https://doi.org/10.33667/2078-5631-2021-38-58-60