Yakovtsova, I.I., Miroshnichenko, Y.M. and Chertenko, T.M. 2021. Immunohistochemical features of gastrointestinal stromal tumors and the role of expression of p16ink4A, Ki-67, VEGF and MMP-9 in their behavior. Pathologia. 18, 2 (Aug. 2021), 136–141. DOI:https://doi.org/10.14739/2310-1237.2021.2.233425.