Duration and time trends in hospital stay for very preterm infants differ across European regions* by Maier, R, Blondel, B, Piedvache, A, Misselwitz, B, Petrou, S, Van Reempts, P, Franco, F, Barros, H, Gadzinowski, J, Boerch, K, Van Heijst, A, Draper, E, Zeitlin, J

Wide variation in severe neonatal morbidity among very preterm infants in European regions by Bonamy, A, Zeitlin, J, Piedvache, A, Maier, R, Van Heijst, A, Varendi, H, Manktelow, B, Fenton, A, Mazela, J, Cuttini, M, Norman, M, Petrou, S, Van Reempts, P, Barros, H, Draper, E