Ballyuzek , Marina F., and Maria V. Mashkova. “Problems of Anticoagulant Therapy in Elderly Cancer Patients With Atrial Fibrillation and Hemorrhagic Stroke”. OncoReview 7, no. 4(28) (November 26, 2017): 168-170. Accessed July 23, 2024. https://journalsmededu.pl/index.php/OncoReview/article/view/453.