S273: EVIDENCE OF NONINFERIORITY OF MITAPIVAT VERSUS SPLENECTOMY IN MURINE HEREDITARY SPHEROCYTOSIS. (23rd June 2022) - Matte', A.; Recchiuti, A.; Federti, E.; Kosinski, P. A.; Riccardi, V.; Iatcenko, I.; Dang, L.; Iolascon, A.; Russo, R.; Brugnara, C.; Janin, A.; Leboeuf, C.; et al.