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Open-Access Journal
Editorial
Carlos S Restrepo, Melissa M Chen, Santiago Martinez-Jimenez, Jorge Carrillo, Catalina Restrepo 
World J Radiol 3(12):279-288. Published online Dec 28, 2011. doi: 10.4329/wjr.v3.i12.279
Review
Dinesh Kumar Sundarakumar, Ashu Seith Bhalla, Raju Sharma, Arun Kumar Gupta, Susheel Kumar Kabra, Priya Jagia 
World J Radiol 3(12):289-297. Published online Dec 28, 2011. doi: 10.4329/wjr.v3.i12.289
Brief Article
Takaya Aoki, Fuminori Moriyasu, Kei Yamamoto, Masafumi Shimizu, Masahiko Yamada, Yasuharu Imai 
World J Radiol 3(12):298-305. Published online Dec 28, 2011. doi: 10.4329/wjr.v3.i12.298