Preprints are articles which have not been peer-reviewed from various preprint servers and open research platforms such as bioRxiv, ChemRxiv, PeerJ Preprints and F1000.

Prefix
ppr
Keywords
bibliometrics preprints publishing
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in Europe PMC Preprints should match this regular expression:
^PPR\d+$

Example Local Unique Identifier
PPR103739   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from Europe PMC Preprints should match this regular expression:
^ppr:PPR\d+$

Example CURIE
ppr:PPR103739
References
GitHub PR https://github.com/bridgedb/tiwid/pull/21
Contributors
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE ppr:PPR103739 is used to demonstrate the provides available for this resource. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
Europe PMC Preprints ppr https://europepmc.org/article/ppr/PPR103739
Bioregistry bioregistry https://bioregistry.io/ppr:PPR103739