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Tippawan Pongcharoen, PhD; Usha Ramakrishnan, PhD; Ann M. DiGirolamo, PhD; et al.
Arch Pediatr Adolesc Med. 2012;166(5):411-416. doi:10.1001/archpediatrics.2011.1413.

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Laura E. Murray-Kolb, PhD; Subarna K. Khatry, MBBS, FRCS; Joanne Katz, ScD; et al.
Arch Pediatr Adolesc Med. 2012;166(5):404-410. doi:10.1001/archpediatrics.2012.37.

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