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Peddecord KM, Linton LS, Edwards C, Simmes D, Fink N, Wang W, Averhoff F, Fishbein DB.Peddecord KM, et al.J Public Health Manag Pract. 2004 Jan-Feb;10(1):54-62. doi: 10.1097/00124784-200401000-00010.J Public Health Manag Pract. 2004.PMID: 15018342
Elder JP, Wildey M, de Moor C, Sallis JF Jr, Eckhardt L, Edwards C, Erickson A, Golbeck A, Hovell M, Johnston D, et al.Elder JP, et al.Am J Public Health. 1993 Sep;83(9):1239-44. doi: 10.2105/ajph.83.9.1239.Am J Public Health. 1993.PMID: 8362998Free PMC article.Clinical Trial.