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平台:
EBSCOhost Academic Search Complete
(Available from 2011/06/01.)
EBSCOhost STM Source
(Available from 2011/06/01.)
ProQuest SciTech Premium Collection
(Available from 2011/07/01 until 2021/10/31.)
PubMed Central Open Access
(Available from 2011 volume: 10.)