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London: BMJ Publ. Group, 2011
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London: BMJ Publ. Group, 2011
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London: BMJ Publ. Group, 2010
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London: BMJ Publ. Group, 1995-2015 / Nachgewiesen 1995 - 2015
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London: BMJ Publ. Group, 1946- ; London: Assoc., 1946-1992 / 1.1946,März -
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London: BMJ Publishing Group, 1946- / 1.1946 -
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BMJ, 2001
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Elsevier BV, 1994
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Elsevier BV, 1984
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BMJ, 2001
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BMJ, 2001
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Elsevier BV, 1992
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BMJ, 2001
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BMJ, 2000
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BMJ, 2000