Changes to PMC Bulk Downloadable Open Access Dataset Files on March 18, 2019


As the final part of an announced FTP restructuring effort, we will remove the old PMC Bulk Open Access files on March 18, 2019 – but please note that the data is still available.

In August 2016, the PMC Open Access dataset was split into two groups:

  • The Commercial Use Collection is an Open Access Subset of PMC articles approved for commercial use with a machine-readable “CC BY” (Creative Commons Attribution Only) or “CC0” (Creative Commons public domain) license.
  • The Non-Commercial Use Collection is an Open Access subset of PMC articles approved for non-commercial purposes only with machine-readable non-commercial use licenses and are also provided as PDFs.

These two collections do not overlap in content; for non-commercial uses, you need to download both collections to obtain the complete Open Access Subset.

If you have questions or comments about this, please write to the PMC help desk. Further information on retrieving full text and other common developer queries can be found on Developer Resources page.

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