RT Journal T1 A pair of swans, los olivos, california, 2008 JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD July 1 VO 166 IS 7 SP 589 OP 589 DO 10.1001/archpediatrics.2012.826 UL http://dx.doi.org/10.1001/archpediatrics.2012.826 AB Photographer: Yunchul J. Pak, MD, West Covina, California, 2008.