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平台:
EBSCOhost Business Source Complete
(Available from 1997/03/01 until 2016/03/31.)
EBSCOhost Health Policy Reference Center
(Available from 1997/03/01 until 2016/03/31.)
EBSCOhost OmniFile Full Text Select
(Available from 1998/01/15 until 2003/10/15.)