id 06220219672
https://w3id.org/oc/meta/id/06220219672

is a

unique identifier

id

10.1186/s12873-021-00456-w

type

doi

Get it in another format: RDF/XML, Turtle, JSON-LD

All these data (independently from the particular representation used) are licensed under a Creative Commons CC0 1.0 Universal.