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梅斯医学

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超过300万件科学文献来自超过10500免费来源。BASE是世界性大型搜搜引擎，存储来自互联网上免费的开放获取科学文献。

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JSTOR is a digital library of academic journals, books, and primary sources.

Consultation et exploitation libre et gratuite de collections complètes de documents scientifiques.

Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also publishes academic books and conference proceedings.

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ReadPaper是粤港澳大湾区数字经济研究院推出的专业论文阅读平台和学术交流社区，收录近2亿篇论文、近2.7亿位科研论文作者、近3万所高校及研究机构，包括nature、science、cell、pnas、pubmed、arxiv、acl、cvpr等知名期刊会议，涵盖了数学、物理、化学、材料、金融、计算机科学、心理、生物医学等全部已知学科，打造专业的学术讨论社区。科研工作离不开论文的帮助，如何读懂论文，读好论文，这本身就是一个很大的命题，我们的使命是：“让天下没有难读的论文”。

CINFO，现代信息官网

笔杆是一家专业的毕业论文写作平台，提供毕业论文范文，论文格式，论文检测查重，开题报告，参考文献格式模版，文献综述模版等服务

IntechOpen is a leading global publisher of Journals and Books within the fields of Science, Technology and Medicine. We are the preferred choice of over 60,000 authors worldwide.

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sci-hub

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.

Use the FreeFullPDF search tool to find free scientific publication in PDF format. Reach scientists around the world.

Science/AAAS peer-reviewed journals deliver impactful research, daily news, expert commentary, and career resources.