RT Journal Article SR Electronic T1 Using Negative Predictive Values: In Reply JF Pediatrics JO Pediatrics FD American Academy of Pediatrics SP 428 OP 429 DO 10.1542/peds.2006-1106 VO 118 IS 1 A1 Hack, Maureen A1 Taylor, H. Gerry A1 Drotar, Dennis A1 Schluchter, Mark A1 Wilson-Costells, Deanne YR 2006 UL http://pediatrics.aappublications.org/content/118/1/428.2.abstract AB