RT Journal T1 TUlips at philadelphia flower show, 2009 JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD July 6 VO 163 IS 7 SP 595 OP 595 DO 10.1001/archpediatrics.2009.105 UL http://dx.doi.org/10.1001/archpediatrics.2009.105 AB Photographer: Michael Sherlock, MD, Baltimore, Maryland.