TY - JOUR A1 - Bell, E.F. A1 - Hintz, S.R. A1 - Hansen, N.I. A1 - Bann, C.M. A1 - Wyckoff, M.H. A1 - DeMauro, S.B. A1 - Walsh, M.C. A1 - Vohr, B.R. A1 - Stoll, B.J. A1 - Carlo, W.A. A1 - Van Meurs, K.P. A1 - Rysavy, M.A. A1 - Patel, R.M. A1 - Merhar, S.L. A1 - S´anchez, P.J. A1 - Laptook, A.R. A1 - Hibbs, A.M. A1 - Cotten, C.M. A1 - D’Angio, C.T. A1 - Winter, S. A1 - Fuller, J. A1 - Das, A. A1 - Network, Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research T1 - Mortality, inhospital morbidity, care practices, and 2-year outcomes for extremely preterm infants in the US, 2013–2018 Y1 - 2022 DO - 0.1001/jama.2021.23580 VL - 327 IS - 3 ER -