“CO28 | Cognitive, Adaptive Abilities and Behavioral Symptoms in Children and Adolescents With Hemophilia: A Pilot Study: R. Vallone1, M. Luciani2, A. Smigliani2, M. F. Mansueto3, S. Vicari1,4, D. Menghini1 | 1Child and Adolescent Neuropsychiatry Unit, Bambino Gesù Children’s Hospital, IRCCS, Roma; 2OncoHematology Unit, Bambino Gesù Children’s Hospital, IRCCS, Roma; 3Department of Oncology U.O. Hematology AUO Policlinico, Paolo Giaccone, Palermo; 4Department of Life Science and Public Health, Università Cattolica Del Sacro Cuore, Roma, Italy”. 2025. Bleeding, Thrombosis and Vascular Biology 4 (s1). https://doi.org/10.4081/btvb.2025.234.