Perioperative and Long-Term Functional Outcomes of Children With Early Diagnosis Versus Late Diagnosis of Hirschsprung's Disease: A 30-Year Monocentric Retrospective Study. - El Haissoufi K; Nascimben F; Lehn A; Chevalier I; Moog R; Angotti R; Molinaro F; Becmeur F; Talon I (International journal of pediatrics, 2026)