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Klein JD, Wilson KM, McNulty M, Kapphahn C, Collins KS.Klein JD, et al.J Adolesc Health. 1999 Aug;25(2):120-30. doi: 10.1016/s1054-139x(98)00146-3.J Adolesc Health. 1999.PMID: 10447039Free article.
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Wilson KM, Klein JD.Wilson KM, et al. Among authors: klein jd.Arch Pediatr Adolesc Med. 2000 Apr;154(4):361-5. doi: 10.1001/archpedi.154.4.361.Arch Pediatr Adolesc Med. 2000.PMID: 10768673
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Tanski SE, Klein JD, Winickoff JP, Auinger P, Weitzman M.Tanski SE, et al. Among authors: klein jd.Pediatrics. 2003 Feb;111(2):E162-7. doi: 10.1542/peds.111.2.e162.Pediatrics. 2003.PMID: 12563090