title: The passing of the postcards: going green with CME.
authors.affiliation: From the RadioGraphics Editorial Office, 430 Pine St, Suite 301, Burlington, VT 05401.
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Klein
mesh_terms: D004502:Education, Medical, Continuing / Q000379:methods*; D009862:Online Systems / Q000706:statistics & numerical data; D010506:Periodicals as Topic; D011871:Radiology / Q000193:education*