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* Confirm the '''absence''' of the copyright symbol, the name of the Copyright holder, and the statement "All Rights Reserved". Take note that not all copyright materials are marked this way because they are not required by law to do so.
* Confirm the '''absence''' of the copyright symbol, the name of the Copyright holder, and the statement "All Rights Reserved". Take note that not all copyright materials are marked this way because they are not required by law to do so.


* Confirm the presence of Creative Commons, ShareAlike or GNU Free Documentation licenses at the bottom of the pages.  
* Confirm the presence of '''Creative Commons''', '''ShareAlike''' or '''GNU Free Documentation''' licenses at the bottom of the pages.  


==List of Copyleft Sources==
==List of Copyleft Sources==

Revision as of 20:12, 10 March 2016

Template:Seealso Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ayokunle Olubaniyi, M.B,B.S [2]

Overview

Copyleft is a method of making a program, software, literature or works of people free to be modified by other people, but not with the intention of reproducing, adapting or distributing for commercial purposes.

How To Identify Copyleft Sources

  • Works produced by organizations other than the United States Federal Government may be protected by U.S. and international copyright laws.
  • Confirm the absence of the copyright symbol, the name of the Copyright holder, and the statement "All Rights Reserved". Take note that not all copyright materials are marked this way because they are not required by law to do so.
  • Confirm the presence of Creative Commons, ShareAlike or GNU Free Documentation licenses at the bottom of the pages.

List of Copyleft Sources

Centers for Disease Control and Prevention (CDC)

  • Infectious disease outbreaks currently being reported on by CDC. Listings include U.S.-based outbreaks and outbreaks affecting international travelers.
  • Recent data and calls to action for important public health issues.

National Institutes of Health (NIH)

PubMed Health

U.S. National Library of Medicine (NLM)

World Health Organization (WHO)

List of Medical Wikis in English

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