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2011
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Cambridge, Mass: National Bureau of Economic Research, June 2013
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Cambridge, Mass: National Bureau of Economic Research, September 2012
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Cambridge, Mass: National Bureau of Economic Research, 2019
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Cambridge, Mass: National Bureau of Economic Research, June 2014
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Durham: Duke University Press, [2003] ; [Online-Ausgabe]
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American Medical Association (AMA), 2022
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Wiley, 2021
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American Medical Association (AMA), 2021
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American Medical Association (AMA), 2020
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Massachusetts Medical Society, 2020
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Duke University Press, 2018
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Ovid Technologies (Wolters Kluwer Health), 2019
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Wiley, 2011
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Massachusetts Medical Society, 2011
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Wiley, 2022
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American Medical Association (AMA), 2021
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American Medical Association (AMA), 2021
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American Medical Association (AMA), 2021
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American Medical Association (AMA), 2018