Welcome to the Gold Standard Multimedia Continuing Education section. GSM is no longer offering the purchase of continuing education credits for radiologic technologists. However, users who purchased continuing education credits before January 31, 2004 will continue to have access until their credits expire. All continuing education purchases expire within 18 months from the purchase date. If you have any questions or concerns please contact us via email at ce@goldstandard.com or call us at 800-375-0943.