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Richter T, Nestler-Parr S, Babela R, Khan ZM, Tesoro T, Molsen E, Hughes DA; International Society for Pharmacoeconomics and Outcomes Research Rare Disease Special Interest Group.Richter T, et al. Among authors: khan zm.Value Health. 2015 Sep;18(6):906-14. doi: 10.1016/j.jval.2015.05.008. Epub 2015 Aug 18.Value Health. 2015.PMID: 26409619Free article.Review.