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All content in Radlines is open access. Everything in Radlines is by default published under the Creative Commons Attribution 4.0 International (CC-BY 4.0) license, meaning that those reusing the content must mentioning the names or organizations of the creators. Radlines also accepts works released into the Public Domain, that is, without any restrictions. The status of each image is seen on their description pages (found by clicking the image).

Creative Commons Attribution 4.0

For all Radlines material, including images, you are free to:

  • Share — copy and redistribute the material in any medium or format
  • Adapt — remix, transform, and build upon the material for any purpose, even commercially.

Under the following terms:

  • Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Taking X-ray of the abdomen and pelvis as example, the wording of such attribution may be as follows, or variants thereof:
However, attribution is not legally required if only using Public Domain images from Radlines articles.

No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

  • You are allowed to assign a more restrictive license to your work as a whole, but not specifically claim that any integrated content from Radlines has a more restrictive license.
Further legal information: Attribution 4.0 International (CC-BY 4.0) license

Licensing of content under CC-BY without further restrictions allows it to be used by almost all medical journals, since this is the most common licensing of at least open access journals.[1]

Copyright for authors

For all publications, authors retain copyright (but allow sharing and reuse as per the license). Authors may thereby choose at a later time to use a less restrictive license, such as making a CC-BY work Public Domain.

Importing works

For any material within a work that is not available under a license permitted in Radlines, authors must gain written consent from the copyright holder(s) to publish the work under a permitted license.

Icon Description Acronym Permitted in Radlines
CC0 icon Freeing content into the Public Domain, without restrictions CC0 Yes
CC-BY icon Attribution alone CC-BY Yes, as long as the source page and/or author is attributed, such as by a Reference. Image creators are attributed at the image description pages that shows when clicking on them.
CC-BY-SA icon Attribution + ShareAlike CC-BY-SA No
CC-by-NC icon Attribution + Noncommercial CC-BY-NC No
CC-BY-ND icon Attribution + NoDerivatives CC-BY-ND No
Further information about the licenses at Creative Commons: About The Licenses

Also make sure to integrate imported content to fit Radlines:Editorial guidelines.

Non-copyrightable works

Medical images (including radiographs, CT images etc) cannot be copyrightable if produced in certain countries, including the United States, see Wikilegal/Copyright of Medical Imaging. Therefore, it is acceptable to import medical images created in the United States to Radlines without permission from the creator, and should be tagged as {{PD-US-Medical imaging}}, which will give the following information:

Public domainPublic domainfalsefalse
Public domain This file is in the public domain because it is a work of medical imaging created in the United States and does not contain additional copyrightable graphics. See Wikilegal/Copyright of Medical Imaging for details.

Dialog-warning.svg Informed consent is generally required at least where human subjects are identifiable.

Rod of Asclepius

Similarly, data and factual information are not protected by copyright, and considered to be public domain once published. Additionally, simple representations and visualisations of data (e.g. tables and barcharts) are typically not creative enough to be eligible for copyright protection. As such, these types of material may be freely imported to Radlines without permission.

Relation to Wikipedia

All content in Radlines can be copied to Wikipedia as long as appropriate attribution is made. The other way around, Wikipedia images (as well as images from Wikimedia Commons) that have a compatible license can be used in Radlines. However, because the text in Wikipedia articles is licensed under a Attribution + ShareAlike license, Wikipedia text cannot be directly copied to Radlines. Similarly, Wikipedia images released under a ShareAlike license can only be used with written permission from the author to have it published under CC BY or CC0. A response by private email is generally sufficient for this purpose. It is even more beneficial if the author agrees to change the license of the work at Wikipedia, such as changing the licensing template to {{Cc-by-4.0}} on image description pages. If a more rigorous procedure is warranted, the author may store a permission note in the release generator of Wikimedia: https://tools.wmflabs.org/relgen/


Works uploaded to Radlines must not contain plagiarised material, unless legally permitted by the license or other legislation that covers the material at hand, or with permission of the copyright holder. This includes:

  • Text, images, or data that is copied from any other source
  • Ideas, concepts, or analysis from any other source
  • Material that is copied from the authors' own published works and without agreement of the editor or publisher of that work


  1. . Search by Journal license. Directory of Open Access Journals. Retrieved on 2018-12-19.