The relationship between stress, anxiety, and health literacy in parents of children with chronic gastroenterological diseases: a multi-center cross-sectional study. - Pacut, Agnieszka; Duplaga, Mariusz; Więcek, Sabina; Murzyn, Izabela; Gronowicz, Gabriela; Krzesiek, Elżbieta; Stalony, Natalia; Kowalska-Duplaga, Kinga (BMC Public Health, 2025)