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Bern: Hogrefe, 2016
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Ovid Technologies (Wolters Kluwer Health), 1986
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The American Journal of Nursing Company, 1986
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SAGE Publications, 1983
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Ovid Technologies (Wolters Kluwer Health), 1992
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Wiley, 2003
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Ovid Technologies (Wolters Kluwer Health), 1987
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Ovid Technologies (Wolters Kluwer Health), 1985
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Ovid Technologies (Wolters Kluwer Health), 1996
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Ovid Technologies (Wolters Kluwer Health), 1993
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JSTOR, 1994
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The American Journal of Nursing Company, 1994
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Ovid Technologies (Wolters Kluwer Health), 1994
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JSTOR, 1986