RT Journal Article SR Electronic T1 Lower target oxygen saturation levels in preterm infants are associated with increased mortality and decreased rates of retinopathy of prematurity JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 20 OP 20 DO 10.1136/eb-2013-101463 VO 19 IS 1 A1 Daniele Trevisanuto A1 Veronica Mardegan YR 2014 UL http://ebm.bmj.com/content/19/1/20.abstract AB