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平台:
BioMed Central Open Access
(Available from 2013/12/01 volume: 1 issue: 1 until 2015/12/31 volume: 3 issue: 1.)
DOAJ Directory of Open Access Journals
(Available from 2013 until 2021.)
PubMed Central Open Access
(Available from 2013 volume: 1 until 2021 volume: 9.)