For citations:

Uspenskaya O.A., Tiunova N.V., Timoshenko A.D., Alekseeva S.M., Shamro A.A. Experience in use of collagen-based drugs in complex treatment of recurrent aphthous stomatitis. Medical alphabet. 2019;2(11):43-45. (In Russ.) https://doi.org/10.33667/2078-5631-2019-2-11(386)-43-45