Reference Ranges for Arterial Oxygen Saturation, Heart Rate, and Cerebral Oxygen Saturation during Immediate Postnatal Transition in Neonates Born Extremely or Very Preterm Christina H. Wolfsberger, PhD, Bernhard Schwaberger, PhD, Berndt Urlesberger, Prof, Alexander Avian, Prof, Katharina Goeral, PhD et al. The Journal of Pediatrics. May 2024