The American Physiological Society makes a large amount of its content free to the public through a variety of programs. Articles may be free for any of the following reasons:
- Authors may make their work open and free immediately upon publication through our AuthorChoice program.
- All articles published by APS become free 12 months after publication, with the exception of our Legacy Content.
- All material published in Advances in Physiology Education are freely available online.
- Individual articles are often made temporarily free as part of a press release or for other promotional purposes.