PubMed biomedical literature search

    https://pubmed.ncbi.nlm.nih.gov/

    Hosted by the National Library of Medicine

    Search through 32 million citations for biomedical literature from MEDLINE, life science journals, and online books.

    Note that full text may be free or not, but the search service is super fast.

    Searches can be filtered by year(s) or nature of the document.