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SpringerLink
springer在线期刊和图书
PubMed
PubMed® comprises more than 33 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
ACS
美国化学会
思谋学术
自动检测和更新可以访问的学术镜像网址
BASE
More than 200 mio. scientfic documents from more than 8000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.
GeenMedical
基于SCI-hub文献下载的医学文献检索平台
Semantic Scholar
一款基于机器学习的学术搜索引擎
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