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Nordström J, Thunström L.Nordström J, et al. Among authors: thunstrom l.J Health Econ. 2009 May;28(3):622-34. doi: 10.1016/j.jhealeco.2009.02.005. Epub 2009 Mar 6.J Health Econ. 2009.PMID: 19329203
Ashworth M, Thunström L, Cherry TL, Newbold SC, Finnoff DC.Ashworth M, et al. Among authors: thunstrom l.Proc Natl Acad Sci U S A. 2021 Aug 10;118(32):e2108225118. doi: 10.1073/pnas.2108225118.Proc Natl Acad Sci U S A. 2021.PMID: 34315824Free PMC article.