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Zeiler CA, Nemes S, Holtz KD, Landis RD, Hoffman J.Zeiler CA, et al. Among authors: holtz kd.Am J Drug Alcohol Abuse. 2002;28(3):513-24. doi: 10.1081/ada-120006739.Am J Drug Alcohol Abuse. 2002.PMID: 12211363
Twombly EC, Holtz KD.Twombly EC, et al. Among authors: holtz kd.J Prim Prev. 2008 Nov;29(6):503-16. doi: 10.1007/s10935-008-0157-5. Epub 2008 Nov 18.J Prim Prev. 2008.PMID: 19015990
Holtz K, Simkus A, Twombly E, Fleming M, Wanty N.Holtz K, et al.Prev Med Rep. 2022 Sep 30;30:102000. doi: 10.1016/j.pmedr.2022.102000. eCollection 2022 Dec.Prev Med Rep. 2022.PMID: 36203945Free PMC article.
Evans WD, Holtz K, White T, Snider J.Evans WD, et al.J Health Commun. 2014;19(6):721-37. doi: 10.1080/10810730.2013.837559. Epub 2014 Feb 5.J Health Commun. 2014.PMID: 24499473Clinical Trial.