From time to time health care practitioners ask if the Library has CD’s or some other audio format that they can listen to while commuting. Something like the old AudioDigest cassette tapes?
The 21st century approach to audiotapes is the MP3 player and similar devices. Audio files on specific topics can be periodically added to your MP3 player through a process known as podcasting. The University of British Columbia has put together a nice review of the process and a compilation of sites that offer medical podcasts.