Comma usage
Citation, DOI, disclosures and article data
Citation:
Thurston M, Comma usage. Reference article, Radiopaedia.org (Accessed on 01 Mar 2025) https://doi.org/10.53347/rID-53579
Permalink:
rID:
53579
Article created:
24 May 2017,
Mark Thurston
Disclosures:
At the time the article was created Mark Thurston had no recorded disclosures.
View Mark Thurston's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Henry Knipe had no recorded disclosures.
View Henry Knipe's current disclosures
Revisions:
1 time, by
1 contributor -
see full revision history and disclosures
Synonyms:
- Oxford comma
- series comma
- serial comma
- Harvard comma
The serial, series, Oxford, or Harvard comma is the addition of a comma placed immediately before the coordinating conjunction (usually and or or). In Radiopaedia, this should be used when composing lists within body text, to aid consistency of style and reduce ambiguity.
Examples
- CT, MRI, or plain radiograph not CT, MRI or plain radiograph.
Incoming Links
Articles:
Related articles: Help and Style Guide
-
style guide and help
- general overview
- Radiopaedia.org supporters
- copyright/plagiarism/brand name issues
-
style guide
- how to use... (A-Z)
- a vs an
- accepted abbreviations
- acronyms
- apostrophe use and eponyms
- bold
- bulleted and numbered lists
- contractions
- dates
- describing recency
- italics
- names of individuals
- numbers, units and operators
-
punctuation
- ampersand
- capitalization
- colons
- commas in body text lists
- dashes and hyphens
- full stops (periods)
- quotation marks
- slashes
- spacing
- racial terminology
- scientific notation
- language
- how to use... (A-Z)
-
articles
- how to edit articles learning pathway (best place to start)
- have a play in our sandbox (test page)
-
anatomy of an article
- standard article structure
-
special types of articles
- anatomy article structure
- approach article structure
- biographical article structure
- chemical article structure
- classification system article structure
- comparative article structure
- curriculum article structure
- CT protocol article structure
- examples of normal imaging article structure
- fracture article structure
- general radiography article structure
- imaging technology article structure
- interventional procedure article structure
- measurement article structure
- medical device article structure
- mnemonics article structure
- MRI protocol article structure
- short article structure
- summary article structure
- articles on conditions that affect multiple systems
- contributing a case to illustrate an article
- linking
- tags
- sections
- systems
- adding images to an article
- merging duplicate articles
- disambiguation
- synonyms (watch YouTube tutorial)
- stub
-
cases
- how to create cases learning pathway (best place to start)
- why upload cases to Radiopaedia.org
- featured cases (case of the day)
- uploading DICOM images to Radiopaedia
- uploaders (plugins and stand-alone apps)
- types of cases
- patient confidentiality
- case publishing guidelines
- anatomy of the perfect case
- case completeness
- case authorship
- text
- quiz mode
- images/series
- annotations
- selection tools
- push back to draft
- case of the day guidelines
- references
- multiple choice questions
-
playlists
- types of playlists
- medical illustrations and diagrams
- institutions
- Radiopaedia.org on your CV
- editorial board
Unable to process the form. Check for errors and try again.