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Open-Access Journal
Review
Minireviews
Case Control Study
Retrospective Study
Shinichi Kinami, Masazumi Takahashi, Takashi Urushihara, Masami Ikeda, Masashi Yoshida, Yoshikazu Uenosono, Atsushi Oshio, Yoshimi Suzukamo, Masanori Terashima, Yasuhiro Kodera, Koji Nakada 
World J Clin Cases 6(16):1111-1120. Published online Dec 26, 2018. doi: 10.12998/wjcc.v6.i16.1111
Xin-Yue Zhang, Yi-Zhong Wang, Xiao-Lu Li, Hui Hu, Hai-Feng Liu, Dan Li, Yong-Mei Xiao, Ting Zhang 
World J Clin Cases 6(16):1121-1127. Published online Dec 26, 2018. doi: 10.12998/wjcc.v6.i16.1121
Observational Study
Randomized Clinical Trial
Sandra Graf Zupcic, Miroslav Zupcic, Viktor Duzel, Tatjana Šimurina, Milan Milošević, Silvio Basic, Vladimira Vuletic, Leonardo Kapural 
World J Clin Cases 6(16):1136-1145. Published online Dec 26, 2018. doi: 10.12998/wjcc.v6.i16.1136
Case Report
Ioannis Tsonis, Lydia Karamani, Panagiota Xaplanteri, Fevronia Kolonitsiou, Petros Zampakis, Georgios Gatzounis, Markos Marangos, Stelios F Assimakopoulos 
World J Clin Cases 6(16):1169-1174. Published online Dec 26, 2018. doi: 10.12998/wjcc.v6.i16.1169