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Philadelphia [u.a.]: Saunders, 19XX-
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Wiley, 1990
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Springer Science and Business Media LLC, 1985
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Informa UK Limited, 1993
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Wiley, 1990
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Elsevier BV, 2013
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Medknow, 2013
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Ovid Technologies (Wolters Kluwer Health), 2012
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Springer Science and Business Media LLC, 2012
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Cambridge University Press (CUP), 2010
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Informa UK Limited, 2009
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Informa UK Limited, 2009
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Wiley, 2009
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Ovid Technologies (Wolters Kluwer Health), 2008
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Springer Science and Business Media LLC, 2006
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Elsevier BV, 2003
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Ovid Technologies (Wolters Kluwer Health), 1996
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Williams & Wilkins and Epidemiology Resources Inc., 1996
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BMJ Publishing Group, 1992
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Elsevier BV, 1991