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平台:
BMJ Journals Archive
(Available from 2001 volume: 49 issue: 1 until 2006.)
Lippincott Williams & Wilkins Journals [OVID]
(Available from 2001 until 2010.)
Ovid Journals - AutoHoldings
(Available from 2001/01/01 volume: 49 issue: 1 until 2011/01/31 volume: 59 issue: 1.)