Mroczek, A., K. Bałabuszek, A. Radzka, U. Fałkowska, M. Pawlicka, and J. Bednarski. “To Continue or Discontinue Aspirin? The Risk of Perioperative Complications”. Journal of Education, Health and Sport, vol. 8, no. 8, Aug. 2018, pp. 743-7, https://apcz.umk.pl/JEHS/article/view/5836.