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. 2018 Dec 12;13(12):e0208252. doi: 10.1371/journal.pone.0208252

Fig 1. Flow chart.

Fig 1

InVent: intubation with tracheal ventilation for 1 h or more. InSurE: intubation with surfactant administration and tracheal ventilation for less than 1 h. LISA: less invasive surfactant administration of surfactant. nCPAP: no surfactant administration during the first 2 hours of neonatal care.