July 21, 2020 Dataset Open Access

Polka, Jessica K.; Penfold, Naomi C.

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    "description": "<p>This is a snapshot of a <a href=\"https://docs.google.com/spreadsheets/d/1c1WzYIoLhzY09AkwyhSVDtan3oYV8qrHa3WgPHAeVVM/edit?usp=sharing\">Google sheet</a>&nbsp;containing counts of biomedical preprints by source and as a fraction of the total biomedical literature <strong>through 2020-06.</strong></p>\n\n<p>Note: this does not yet include &gt;6,000 preprints on relevant OSF platforms.</p>\n\n<p><strong>Data sources</strong></p>\n\n<p>arXiv q-bio, PeerJ Preprints, and bioRxiv counts through&nbsp;2018-12 were sourced from Jordan Anaya&#39;s <a href=\"https://github.com/OmnesRes/prepub/tree/master/analyses\">PrePubMed</a>. Following that, arXiv q-bio counts were sourced from <a href=\"https://arxiv.org/year/q-bio/19\">arXiv statistics</a>, and PeerJ Preprints and bioRxiv counts were taken from searches of <a href=\"https://europepmc.org/\">EuropePMC</a>.</p>\n\n<p>All counts from F1000 &amp; Open Research platforms, preprints.org, ChemRxiv, and medRxiv were taken from searches of <a href=\"https://europepmc.org/\">EuropePMC</a>.</p>\n\n<p>Counts for Research Square are derived from Crossref through 2020-03, thereafter from EuropePMC.&nbsp;Counts for the Lancet and Sneak Peek were taken from web searches.</p>\n\n<p>Total biomedical literature is from PubMed.</p>", 
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    "title": "Biomedical preprints per month, by source and as a fraction of total literature", 
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      "Anaya (2018): PrePubMed. https://github.com/OmnesRes/prepub/tree/master/analyses", 
      "Penfold and Polka (2019): Preprints in biology as a fraction of the biomedical literature. 10.5281/zenodo.3256298"
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    "publication_date": "2020-07-21", 
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        "affiliation": "ASAPbio", 
        "name": "Polka, Jessica K."
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