RT Journal Article SR Electronic T1 O2 Saturation as a Screening Test for Critical Congenital Heart Disease JF AAP Grand Rounds JO AAP Grand Rounds FD American Academy of Pediatrics SP 53 OP 53 DO 10.1542/gr.8-5-53 VO 8 IS 5 YR 2002 UL http://aapgrandrounds.aappublications.org/content/8/5/53.abstract AB