Mezhevikina, Liudmila M, Dmitriy A Reshetnikov, Maria G Fomkina, and Evgeniy E Fesenko. 2020. “Ultrathin Polyethyleneimine (PEI) Films for Culturing of the Human Mesenchymal Stromal Cells (hMSCs)”. Journal of Cardiovascular Medicine and Cardiology 7 (3):255-61. https://doi.org/10.17352/2455-2976.000148.