Intraventricular hemorrhage: morbidity and risk factors in 3rd level centers in South-East Poland - Skubisz, Aleksandra; Błaż, Witold; Gargasz, Krzysztof; Pyka, Magdalena; Stefańska, Małgorzata; Borowiec-Szredzka, Beata; Zawora, Andrzej; Mazur, Artur (Pediatria Polska - Polish Journal of Paediatrics, 2023)