1Rowell MR, Johnson PT, Fishman EK. Radiology education in 2005:world wide web practice patterns, perceptions, and pree-rences of radiologists[J]. RadioGraphics, 2007,27 (2) : 563-571.
2Flanders AE. What is the future of electronic learning in radiology [J]. RadioGraphies, 2007,27(2) : 559-561.
3Bandukwala T, Arora S, Athreya S. Net assets: review of online radiology resources (Part I.. Educational resources)[J]. Radiolo- gy, 2011,261(2) :350-356.
4Bandukwala T, Arora S, Athreya S. Net assets., review of online radiology resources (Part II: Organizations and societies)[J]. Ra- diology,2012,262(1) ..19-24.