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Woodard R, Bench M, Harder MK.Woodard R, et al. Among authors: harder mk.J Environ Manage. 2005 Apr;75(2):115-27. doi: 10.1016/j.jenvman.2004.11.011.J Environ Manage. 2005.PMID: 15763154Free article.
Burford G, Velasco I, Janoušková S, Zahradnik M, Hak T, Podger D, Piggot G, Harder MK.Burford G, et al. Among authors: harder mk.Eval Program Plann. 2013 Feb;36(1):1-14. doi: 10.1016/j.evalprogplan.2012.04.005. Epub 2012 May 8.Eval Program Plann. 2013.PMID: 22621861
Zou Y, Yang M, Tao Q, Zhu K, Liu X, Wan C, Harder MK, Yan Q, Liang B, Ntaikou I, Antonopoulou G, Lyberatos G, Zhang Y.Zou Y, et al. Among authors: harder mk.J Environ Manage. 2023 Jan 15;326(Pt B):116786. doi: 10.1016/j.jenvman.2022.116786. Epub 2022 Nov 18.J Environ Manage. 2023.PMID: 36410150
Li C, Bremer P, Harder MK, Lee MS, Parker K, Gaugler EC, Mirosa M.Li C, et al. Among authors: harder mk.J Environ Manage. 2022 Feb 1;303:114092. doi: 10.1016/j.jenvman.2021.114092. Epub 2021 Nov 24.J Environ Manage. 2022.PMID: 34836675Free article.Review.