New publication model for PubMed citations

In mid-June 2013, a new publication model, Electronic-eCollection, was introduced for PubMed citations from electronic-only journals. “Electronic-eCollection” means that an article is published electronically on a specific date and is also associated with an electronic collection date (similar to an issue; this date can be a year or a year and month, but never a year, month, and day). NLM determines the publication model based on the data submitted by the publishers.

“eCollection” will be displayed preceding the collection date information in a citation. The specific article date will display after the journal title abbreviation while the collection date will display near the end of the source information.

Screen capture of a sample display for journal citation with PubModel = Electronic-eCollection.

This particular article was published online on January 25, 2013, yet was included in the Volume 3, 2012 collection as deposited in PMC.

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