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Springer Science and Business Media LLC, 2004
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JSTOR, 1982
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The American Economic Association, 1962
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JSTOR, 1957
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JSTOR, 1954
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Oxford University Press (OUP), 1978
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The American Economic Association, 1946
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Elsevier BV, 1999
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Ovid Technologies (Wolters Kluwer Health), 1999
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Springer Science and Business Media LLC, 2013
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Massachusetts Medical Society, 2006
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Ovid Technologies (Wolters Kluwer Health), 2022
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American Diabetes Association, 2021
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Springer Science and Business Media LLC, 2017
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Springer Science and Business Media LLC, 2023
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Springer Science and Business Media LLC, 2024
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Springer Science and Business Media LLC, 2023
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Springer Science and Business Media LLC, 2023
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Springer Science and Business Media LLC, 2023
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Springer Science and Business Media LLC, 2024