For citations:

Osipenko D.V., Skarakhodau A.A., Hryharovich A.Y., Marochkov A.V. Comparative evaluation of methods to measure blood loss after heart surgery under cardiopulmonary bypass. Health and Ecology Issues. 2023;20(3):29-37. (In Russ.) https://doi.org/10.51523/2708-6011.2023-20-3-04