A combination of an ISBN and local unique identifier for articles and other published works. Please see the Wikipedia page for a detailed explanation. Some PIIs are used as the local identifiers in DOIs, such as https://doi.org/10.1136/S0003-4967(24)38620-0.
piiA 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).
This resource does not have any providers. Please consider contributing one after reading the curation guide.