How can you know whether or not a preprint has been recommended by a PCI?

You’re looking for articles in Google Scholar, Google, Europe PMC, Zenodo or bioRxiv. You retrieve a result list of articles containing preprints. You want to know whether the preprints have been recommended by a PCI after peer-review or not. How can you do that? There are several options:

1- Go to the PCI X web site and search the article


2- In Europe PMC, check the REVIEW section. In bioRxiv, check the “Preprint discussion sites covering this article:” section below the abstract.

3- Install the PubPeer browser extension ( in your preferred web browser. In Google Scholar, Google, and bioRxiv, just check the green banner. In Zenodo, you have to go on the article page to check the green banner in the “Cite as” section.

Our advice: Install the PubPeer browser extension ( in your preferred web browser, use it and check the green banner!

Screenshots of Google, Google Scholar and bioRxiv showing the green banners of PubPeer

The PubPeer extension does not work yet in arXiv, in the result page of Europe PMC or Zenodo, in OSF Preprint, or in PrePubmed. But it works in Pubmed, in Web of Science, and in most journal websites. It also works in the reference manager Zotero. In Hal, the preprints recommended by a PCI will soon be tagged.

4- If the articles are bioRxiv preprints then you can use a new platform: The Hive. It gathers in the same place preprints (of bioRxiv), reviews and endorsements from different communities of editors and reviewers, including PCI.

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