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Open-Access Journal
Review
Minireviews
Harsh Patel, Hassan Alkhawam, Raef Madanieh, Niel Shah, Constantine E Kosmas, Timothy J Vittorio 
World J Cardiol 9(2):134-138. Published online Feb 26, 2017. doi: 10.4330/wjc.v9.i2.134
Retrospective Cohort Study
Clinical Trials Study
John P Higgins, Benjamin Yang, Nikki E Herrin, Santi Yarlagadda, George T Le, Brandon L Ortiz, Asif Ali, Stephen C Infanger 
World J Cardiol 9(2):162-166. Published online Feb 26, 2017. doi: 10.4330/wjc.v9.i2.162
Observational Study
Toshiyuki Kobayashi, Hirohide Yokokawa, Kazutoshi Fujibayashi, Tomomi Haniu, Teruhiko Hisaoka, Hiroshi Fukuda, Toshio Naito 
World J Cardiol 9(2):174-181. Published online Feb 26, 2017. doi: 10.4330/wjc.v9.i2.174
Meta-Analysis
Case Report
Judith Mayer, Natascha van der Werf-Grohmann, Johannes Kroll, Ute Spiekerkoetter, Brigitte Stiller, Jochen Grohmann 
World J Cardiol 9(2):191-195. Published online Feb 26, 2017. doi: 10.4330/wjc.v9.i2.191
Etienne L Couture, Serge Lepage, Jean-Bernard Masson, Benoit Daneault 
World J Cardiol 9(2):196-199. Published online Feb 26, 2017. doi: 10.4330/wjc.v9.i2.196