22
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Published 2005
Vandenhoeck & Ruprecht

26
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Published 2013
National Academies Press

27
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Published 2001
Agency for Healthcare Research and Quality (US)

28
by Wachter, Kenneth W.
Published 2003
National Academies Press

29
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National Academies Press

30
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National Academies Press

32
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The National Academies Press

33
by Atkinson, James
Published 2009
World Health Organization

34
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Published 1997
National Academy Press

35
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National Academies Press

37
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National Academy Press

38
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National Academies Press

39
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Springer International Publishing

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National Library of Medicine (US), National Center for Biotechnology Information