🎓 general
📐 maths
🐸 biology
🧠 medicine

search engines

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🧠 pubmed
inspirehep

libraries, papers & journals

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🎓 genlib
📐 arxiv
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🧠 medrxiv
🎓 unpaywall
🎓 academia
🎓 zenodo
🐸 biodiversity library
🎓 sciencedirect

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communities

🎓 researchgate