Vicari, A.; Marechal, Y.; Debauche, C. Short Term Mortality and Morbidity in Extremely Preterm Babies Born before 27 Gestational Weeks: Comparison Between Two Birth Cohorts (1999-2003 and 2010-2016) in a Belgian Third Level NICU. Belg J Paediatr 2025, 27, 116-122.