Identifiers correspond to systematic review protocols for the purpose of promoting transparency and reducing duplication in health research in the PROSPERO registry, an international prospective register of systematic reviews.

Prefix
prospero
Keywords
health research protocol registration systematic reviews
Links
Homepage Request Discussion
Publications
2013 PROSPERO at one year: an evaluation of its utility
2011 An international registry of systematic-review protocols
Identifier Standards
Pattern for Local Unique Identifiers

Local identifiers in PROSPERO should match this regular expression:
^CRD\d{12}$

Example Local Unique Identifier
CRD420261321518   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from PROSPERO should match this regular expression:
^prospero:CRD\d{12}$

Example CURIE
prospero:CRD420261321518
Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier CRD420261321518 is used to demonstrate the providers available for PROSPERO. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Provider Name Provider Code URI
PROSPERO prospero https://www.crd.york.ac.uk/PROSPERO/view/CRD420261321518
Bioregistry bioregistry https://bioregistry.io/prospero:CRD420261321518