Answered By: Mark Simmonds
Last Updated: 25 Jul, 2018     Views: 64

A DOI (Digital Object Identifier) is a unique alphanumeric string (e.g. 10.1503/cmaj.109-4118) used to identify an electronic document.  DOIs are assigned to journal articles, images, videos etc. by the publisher for the purpose of stability, that is, a permanent proof of identity and permanent online location.  More on DOIs

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