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…ging conventions to define the general structure of a document, to stylise text throughout a document (such as bold and italics), and to add [[citation]]s …volume=6 |issue=2 |doi=10.2202/1446-9022.1119 |s2cid=201097782 |doi-access=free}}</ref> It also has a prominent role in the preparation and publication of

{{short description|Citation style that uses numbers within the text to cite references}} …g|editor-first=Dan|title=Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers|year=2007|publisher=[[United States National Library of Med

'''PubMed''' is a free [[List of academic databases and search engines|search engine]] accessing… …06/so06_pm_10.html |url-status=live }}</ref> The PubMed system was offered free to the public starting in June 1997.<ref name="pmid11185333"/>

| license = [[Permissive free software license|Permissive free software]] …or many other typesetting tasks, especially in the form of [[LaTeX]], [[ConTeXt]], and other [[Macro (computer science)|macro]] packages.

…with modifications, by hundreds of other [[scientific journal]]s, in many textbooks, and in academia (for papers written in classes). The current edition …merals for numbers 10 and above, hyphenating compound adjectives, using in-text citations for sources, left aligning all tables and figures, and using foot