Геник, С. М., et al. “ANTICOAGULANTS IN THE TREATMENT AND PREVENTION OF THROMBOEMBOLIC DISEASES IN SURGICAL PATIENTS”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Pulse, no. 4(36), June 2019, pp. 9-17, https://pvntsh.nung.edu.ua/index.php/pulse/article/view/538.