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Nyan L Latt, Mumtaz Niazi, Nikolaos T Pyrsopoulos 
World J Methodol 12(1):32-42. Published online Jan 20, 2022. doi: 10.5662/wjm.v12.i1.32
Katerina Kampoli, Periklis G Foukas, Anastasios Ntavatzikos, Nikolaos Arkadopoulos, Anna Koumarianou 
World J Methodol 12(1):43-53. Published online Jan 20, 2022. doi: 10.5662/wjm.v12.i1.43
Retrospective Study
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