LUTKOVSKYI, Ruslan. Use of nanomodified polypropylene net in surgical treatment of umbilical hernias combined with diastasis of straight muscles. Journal of Education, Health and Sport. Online. 31 August 2020. Vol. 10, no. 8, pp. 526-533. [Accessed 14 May 2026]. DOI 10.12775/JEHS.2020.10.08.064.