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平台:
DOAJ Directory of Open Access Journals
(Available from 2007.)
EBSCOhost Academic Search Complete
(Available from 2012/06/01.)
EBSCOhost STM Source
(Available from 2012/06/01.)
PubMed Central
(Available from 2012 volume: 6 until 2017 volume: 11 issue: 9.)