KRYVORUCHKO, I. A.; SOROKINA, I. V.; PARHOMENKO, K. Y.; FIRSYK, T. M.; BOZHKO, O. P. THE ROLE OF SOME CYTOKINES IN THE FORMATION OF CRYPTOGLANDULAR ANAL FISTULA. Kharkiv Surgical School, n. 2, p. 27-32, 20 Jun. 2021.