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Eschborn: GTZ, 2002
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Eschborn: GTZ, 2002
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Massachusetts Medical Society, 2003
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BMJ, 2017
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Nature Research, 2022-08-17
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BMJ, 2016
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Public Library of Science (PLoS), 2017
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Springer International Publishing, 2016
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World Scientific Pub Co Pte Lt, 2012
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British Medical Association, 2010
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Cambridge University Press (CUP), 2008
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Wiley, 2005
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BMJ, 2019
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Public Library of Science (PLoS), 2018
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Public Library of Science (PLoS), 2016
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BMJ, 2016
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Public Library of Science (PLoS), 2015
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Elsevier BV, 2024
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BMJ, 2018
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Springer Science and Business Media LLC, 2014