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Mapel DW, Frost FJ, Hurley JS, Petersen H, Roberts M, Marton JP, Shah H.Mapel DW, et al. Among authors: frost fj.J Manag Care Pharm. 2006 Jul-Aug;12(6):457-65.J Manag Care Pharm. 2006.PMID: 16925453
Frost FJ, Tollestrup K, Roberts M, Kunde TR, Craun GF, Harter L.Frost FJ, et al.J Water Health. 2009 Dec;7(4):581-9. doi: 10.2166/wh.2009.116.J Water Health. 2009.PMID: 19590125
Tollestrup K, Frost FJ, Kunde TR, Yates MV, Jackson S.Tollestrup K, et al. Among authors: frost fj.J Water Health. 2014 Mar;12(1):161-72. doi: 10.2166/wh.2013.049.J Water Health. 2014.PMID: 24642442