RT Journal Article SR Electronic T1 Back Pain JF Pediatrics in Review JO Pediatr. Rev. FD American Academy of Pediatrics SP 221 OP 221 DO 10.1542/pir.23-6-221 VO 23 IS 6 A1 DeWolfe, Craig YR 2002 UL http://pedsinreview.aappublications.org/content/23/6/221.abstract AB