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Open-Access Journal
Endoscopic management of biliary strictures post-liver transplantation 
Ahmed Akhter, Patrick Pfau, Mark Benson, Anurag Soni, Deepak Gopal 
World J Meta-Anal 7(4):120-128. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.120
Anti-inflammatory properties of antidiabetic agents 
Eleni Xourgia, Eleni-Margarita Tzouganatou, Athanasia Papazafeiropoulou, Andreas Melidonis 
World J Meta-Anal 7(4):129-141. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.129
Subcellular expression of maspin – from normal tissue to tumor cells 
Laura Banias, Ioan Jung, Simona Gurzu 
World J Meta-Anal 7(4):142-155. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.142
Drug interactions of dipeptidyl peptidase 4 inhibitors involving CYP enzymes and P-gp efflux pump 
Naina Mohamed Pakkir Maideen 
World J Meta-Anal 7(4):156-161. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.156
Systematic Review
Safety and efficacy of percutaneous transhepatic balloon dilation in removing common bile duct stones: A systematic review 
Yu-Liang Li, Dong Li, Bin Liu, Wu-Jie Wang, Wei Wang, Yong-Zheng Wang 
World J Meta-Anal 7(4):162-169. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.162
Effectiveness of taxanes over anthracyclines in neoadjuvant setting: A systematic-review and meta-analysis 
Mona Pathak, Sada Nand Dwivedi, SVS Deo, Bhaskar Thakur, Vishnubhatla Sreenivas, Goura Kishor Rath 
World J Meta-Anal 7(4):170-183. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.170