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Athanasia Papazafiropoulou, Andreas Melidonis 
World J Meta-Anal 7(8):380-388. Published online Aug 31, 2019. doi: 10.13105/wjma.v7.i8.380
Mostafa Shalaby, Waleed Thabet, Mosaad Morshed, Mohamed Farid, Pierpaolo Sileri 
World J Meta-Anal 7(8):389-398. Published online Aug 31, 2019. doi: 10.13105/wjma.v7.i8.389
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