Mezhevikina, L.M., Reshetnikov, D.A., Fomkina, M.G. and Fesenko, E.E. 2020. Ultrathin polyethyleneimine (PEI) films for culturing of the human mesenchymal stromal cells (hMSCs). Journal of Cardiovascular Medicine and Cardiology. 7, 3 (Aug. 2020), 255–261. DOI:https://doi.org/10.17352/2455-2976.000148.