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Informa UK Limited, 2013
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SAGE Publications, 2008
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Blackwell Publishing, 2008
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JSTOR, 1992
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The Alan Guttmacher Institute, 1992
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JSTOR, 1989
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The Population Council, 1989
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Oxford University Press (OUP), 2023
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Springer Science and Business Media LLC, 2020
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Oxford University Press (OUP), 2019
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Springer Science and Business Media LLC, 2022
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Ovid Technologies (Wolters Kluwer Health), 2021
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Wiley, 2020
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S. Karger AG, 2020
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Elsevier BV, 2024
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COPD Foundation, 2020
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American Medical Association (AMA), 2021
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Ovid Technologies (Wolters Kluwer Health), 2017