A group of authors (contributors) credited under one name, either as a collaboration in the strictest sense, or when an organization, institution, or corporation is the author
Not to be confused with <contrib-group>, which is just a wrapper element that holds information such as the names and affiliations of a group of individual contributors.
This element may be used within bibliographic references (<citation>).
<!ELEMENT collab (#PCDATA %collab-elements;)* >
Any combination of:
... <ref id="bid.1626"> <label>2</label> <citation> <person-group/> <collab>The BAC Resource Consortium</collab> <year>2001</year> <article-title>Integration of cytogenetic landmarks into the draft sequence of the human genome</article-title> <source>Nature</source> <volume>409</volume> <fpage>953</fpage> <lpage>958</lpage> <pub-id pub-id-type="pmid">11237021</pub-id> </citation> </ref> ...