Frequency and predictors of blood transfusion and splenectomy in pediatric hereditary spherocytosis – a single-center retrospective analysis - Osińska, Aleksandra; Druszcz, Marta; Seweryn, Maksymilian; Czarnecka, Natalia; Kozińska, Aleksandra; Grela, Dawid; Lejman, Monika; Mitura-Lesiuk, Małgorzata; Zawitkowska, Joanna (Pediatria Polska - Polish Journal of Paediatrics, 2025)