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Clark M, Rogers M, Foster A, Dvorchak F, Saadeh F, Weaver J, Mor V.Clark M, et al.Eval Health Prof. 2011 Dec;34(4):464-86. doi: 10.1177/0163278710397791. Epub 2011 Mar 16.Eval Health Prof. 2011.PMID: 21411474Free PMC article.Clinical Trial.
Rahman M, Foster AD.Rahman M, et al. Among authors: foster ad.J Health Econ. 2015 Jan;39:1-16. doi: 10.1016/j.jhealeco.2014.09.003. Epub 2014 Oct 22.J Health Econ. 2015.PMID: 25461895Free PMC article.
Foster AD, Lee YS.Foster AD, et al.J Health Econ. 2015 May;41:133-47. doi: 10.1016/j.jhealeco.2015.02.002. Epub 2015 Feb 19.J Health Econ. 2015.PMID: 25814437Free PMC article.