2025. PO47 | Hemophilia A and antithrombin deficiency: a case of natural hemostatic rebalancing: L. Torrieri, S. Ligia, E. Baldacci, R. Mormile, S. Sorella, R. Ciciani, M. Biglietto, N. Zhdanovskaya, A. Delli Paoli, A. Tirnetta, M. Lorenzon, C. Santoro | Hematology, Department of Translational and Precision Medicine, Policlinico Umberto I, Sapienza University of Roma, Italy. Bleeding, Thrombosis and Vascular Biology. 4, s1 (Aug. 2025). DOI:https://doi.org/10.4081/btvb.2025.316.