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Open-Access Journal
Minireviews
Mark C Mattar, Nidhi Malhotra, Aline Charabaty, Maham Farshidpour, Dana Alsaadi, Rohan Mandaliya, Aniruddh Som 
World J Clin Cases 7(4):405-418. Published online Feb 26, 2019. doi: 10.12998/wjcc.v7.i4.405
Basic Study
Case Control Study
Retrospective Study
Randomized Controlled Trial
Mitsushige Shibatoge, Toshihiro Matsunaka, Chikara Ogawa, Atsushi Kubo, Akina Omura, Masahiro Morita, Teruyo Noda, Hiroyuki Tamaki 
World J Clin Cases 7(4):452-465. Published online Feb 26, 2019. doi: 10.12998/wjcc.v7.i4.452
Case Report
Patrizia Suppressa, Concetta Carbonara, Francesca Lugani, Monica Campagnoli, Teresa Troiano, Lorenzo Minchiotti, Carlo Sabbà 
World J Clin Cases 7(4):466-472. Published online Feb 26, 2019. doi: 10.12998/wjcc.v7.i4.466
Kaori Hayashi, Sho Suzuki, Hisatomo Ikehara, Hiroaki Okuno, Akira Irie, Mitsuru Esaki, Chika Kusano, Takuji Gotoda, Mitsuhiko Moriyama 
World J Clin Cases 7(4):482-488. Published online Feb 26, 2019. doi: 10.12998/wjcc.v7.i4.482