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 Thromb Vascul Biol 2025, 4 (s1). https://doi.org/10.4081/btvb.2025.316.