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Reversible actions mean that users should be allowed to recover from errors. The reversible actions can be at different levels, such as a single action, a subtask or a complete task and in multiple steps. Reversible actions also encourage exploratory learning and prevent serious errors.
 Nielsen J. 113 design guidelines for homepage usability. 2001; Available from:www.nngroup.com/articles/113-design-guidelines-homepage-usability.
 U.S. Dept. of Health and Human Services. The Research-Based Web Design & Usability Guidelines, Enlarged/Expanded edition. Washington: U.S. Government Printing Office, 2006. Available from: https://www.usability.gov/.
 Microsoft. Microsoft Health Common User Interface design guidance. 2012; Available to download from: https://archive.codeplex.com/?p=mscui. (Design Guidance - Find a Patient PDF).
 Lowry SZ, Quinn MT, Ramaiah M, Brick D, Patterson ES, Zhang J, et al. A human factors guide to enhance EHR usability of critical user interactions when supporting pediatric patient care. The National Institute of Standards and Technology; 2012.