![Perfusion Index Variability in Preterm Infants Treated with Two Different Natural Surfactants for Respiratory Distress Syndrome]()
Perfusion Index Variability in Preterm Infants Treated with Two Different Natural Surfactants for Respiratory Distress SyndromeKaradag, Nilgun; Dilli, Dilek; Zenciroglu, Aysegul; Aydin, Banu; Beken, Serdar; Okumus, Nurullah · American Journal of Perinatology · 2014