For citations:

Kravchenlko V.A., Yurkevich A.V., Ushnitski I.D., Shcheglov A.V., Saleev R.A., Vasilyev Yu.L. Clinical and morphological studies of reactions of oral mucosa patients with digestive system disorders. Medical alphabet. 2019;1(5):58-62. (In Russ.) https://doi.org/10.33667/2078-5631-2019-1-5(380)-58-62