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Open-Access Journal
Minireviews
Puneet Gupta, Hitangee Jain, Misbah Gill, Gurpreet Bharaj, Nauman Khalid, Waseem Chaudhry, Lovely Chhabra 
World J Cardiol 13(10):533-545. Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.533
Karthik Seetharam, Premila Bhat, Maxine Orris, Hejmadi Prabhu, Jilan Shah, Deepak Asti, Preety Chawla, Tanveer Mir 
World J Cardiol 13(10):546-555. Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.546
Observational Study
Ioanna Samara, Stavroula Tsiara, Michail I Papafaklis, Konstantinos Pappas, Georgios Kolios, Nikolaos Vryzas, Lampros K Michalis, Eleni T Bairaktari, Christos S Katsouras 
World J Cardiol 13(10):566-573. Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.566
Prospective Study
Vassileios Kyriakopoulos, Andrew Xanthopoulos, Michail Papamichalis, Spyridon Skoularigkis, Chara Tzavara, Emmanouil Papadakis, Sotirios Patsilinakos, Filippos Triposkiadis, John Skoularigis 
World J Cardiol 13(10):574-584. Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.574
Meta-Analysis
Dimitrios Ioannis Patoulias, Aristi Boulmpou, Eleftherios Teperikidis, Alexandra Katsimardou, Fotios Siskos, Michael Doumas, Christodoulos E Papadopoulos, Vassilios Vassilikos 
World J Cardiol 13(10):585-592. Published online Oct 26, 2021. doi: 10.4330/wjc.v13.i10.585
Case Report