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Open-Access Journal
Minireviews
Aniruddh Som, Rohan Mandaliya, Dana Alsaadi, Maham Farshidpour, Aline Charabaty, Nidhi Malhotra, Mark C Mattar 
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
Hiroyuki Tamaki, Teruyo Noda, Masahiro Morita, Akina Omura, Atsushi Kubo, Chikara Ogawa, Toshihiro Matsunaka, Mitsushige Shibatoge 
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