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[Erscheinungsort nicht ermittelbar]: RAND Corporation, 2004
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Taylor and Francis, 2021
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Wiley, 2001
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SAGE Publications, 2003
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Health Affairs (Project Hope), 2004
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American Academy of Pediatrics (AAP), 2003
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Ovid Technologies (Wolters Kluwer Health), 2000
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Oxford University Press (OUP), 2001
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Oxford University Press (OUP), 2001
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Wiley, 2010
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World Health Organization Regional Office for the Eastern Mediterranean (WHO/EMRO), 2022
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Springer Science and Business Media LLC, 2023
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Informa UK Limited, 2023
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2022
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Public Library of Science (PLoS), 2022
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Informa UK Limited, 2021
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Ovid Technologies (Wolters Kluwer Health), 2003
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Springer Science and Business Media LLC, 2023
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American Medical Association (AMA), 2023
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Elsevier BV, 2023