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Bielefeld: Aisthesis Verlag, 2019
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AOSIS, 2022
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Springer Science and Business Media LLC, 2015
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South African Medical Association NPC, 2015
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Ovid Technologies (Wolters Kluwer Health), 1963
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Ovid Technologies (Wolters Kluwer Health), 1962
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JSTOR, 1962
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The American Journal of Nursing Company, 1962
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South African Medical Association NPC, 2014
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Medpharm Publications, 2015
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South African Medical Association NPC, 2011
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Elsevier BV, 2001
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Springer Science and Business Media LLC, 1978
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Medpharm Publications, 2020
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South African Medical Association NPC, 2016
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Centers for Disease Control and Prevention (CDC), 2010
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National Academy of Sciences of the United States of America, 1992
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Centers for Disease Control and Prevention (CDC), 2023
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AOSIS, 2022
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Wiley, 2019