pubmed.ncbi.nlm.nih.gov
PubMed helps search books, ebooks, papers, library records, or reading archives.
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ncbi.nlm.nih.gov
PubMed Central is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
pmc.ncbi.nlm.nih.gov
PubMed Central helps search books, ebooks, papers, library records, or reading archives.
europepmc.org
Research index for locating articles, books, authors and citation information.
github.com
Open-source agent skill and npm CLI for daily-updated arXiv, PubMed/PMC, and US policy retrieval with deterministic freshness cutoffs. Apache-2.0.