TI - TUlips at philadelphia flower show, 2009 PT - JOUR DP - 2009 TA - Archives of Pediatrics & Adolescent Medicine pages = {595}, VI - 163 IP - 7 AID - 10.1001/archpediatrics.2009.105 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2009.105 SO - Archives of Pediatrics & Adolescent Medicine July 6, 2009 163(7):595