AU - Ipp M, Parkin PC, Lear N, Goldbach M, Taddio A TI - ORder of vaccine injection and infant pain response PT - JOUR DP - 2009 TA - Archives of Pediatrics & Adolescent Medicine pages = {469-472}, VI - 163 IP - 5 AID - 10.1001/archpediatrics.2009.35 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2009.35 SO - Archives of Pediatrics & Adolescent Medicine May 4, 2009 163(5):469