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Hearst MO, Sirard JR, Forsyth A, Parker ED, Klein EG, Green CG, Lytle LA.Hearst MO, et al. Among authors: klein eg.Transp Res Part A Policy Pract. 2013 Apr;50:149-157. doi: 10.1016/j.tra.2013.01.006.Transp Res Part A Policy Pract. 2013.PMID: 23729994Free PMC article.
Green CG, Klein EG.Green CG, et al. Among authors: klein eg.Public Health Rep. 2011 May-Jun;126 Suppl 1(Suppl 1):41-9. doi: 10.1177/00333549111260S107.Public Health Rep. 2011.PMID: 21563711Free PMC article.
Klein EG, Forster JL, Erickson DJ, Lytle LA, Schillo B.Klein EG, et al.J Public Health Manag Pract. 2010 Jul-Aug;16(4):285-93. doi: 10.1097/PHH.0b013e3181c60ea9.J Public Health Manag Pract. 2010.PMID: 20520366