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Open-Access Journal
Review
Minireviews
Retrospective Study
Observational Study
María Velayos, Karla Estefanía, María Álvarez, María C Sarmiento, Lucas Moratilla, Pascual Sanabria, Francisco Hernández, Manuel V López Santamaría 
World J Clin Pediatr 10(6):159-167. Published online Nov 9, 2021. doi: 10.5409/wjcp.v10.i6.159
Evanthia Perikleous, Sotirios Fouzas, Athina Karageorgiou, Paschalis Steiropoulos, Evangelia Nena, Athanasios Chatzimichael, Aggelos Tsalkidis, Emmanouil Paraskakis 
World J Clin Pediatr 10(6):168-176. Published online Nov 9, 2021. doi: 10.5409/wjcp.v10.i6.168
Meta-Analysis
Case Report