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BMJ英国医学杂志
Available from 1840.
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JSTOR
Available from 01/07/1988 volume: 297.
Most recent 4 year(s) not available.
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ProQuest Health & Medical Collection
Available from 2002.
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ProQuest Health & Medical Collection
Available from 02/07/1988 until 26/06/2008.
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ProQuest Research Library
Available from 1988 until 2008.
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ProQuest Research Library
Available from 2002.