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Retrospective Study
Marco Ceroni, Enrique Norero, Juan Pablo Henríquez, Eduardo Viñuela, Eduardo Briceño, Cristian Martínez, Gloria Aguayo, Fernando Araos, Paulina González, Alfonso Díaz, Mario Caracci 
World J Hepatol 7(22):2411-2417. Published online Oct 8, 2015. doi: 10.4254/wjh.v7.i22.2411
Observational Study
Iman I Salama, Samia M Sami, Zeinab Nabil Ahmed Said, Manal H El-Sayed, Lobna A El Etreby, Thanaa M Rabah, Dalia M Elmosalami, Amany T Abdel Hamid, Somaia I Salama, Aida M Abdel Mohsen, Hanaa M Emam, Safaa M Elserougy, Amal I Hassanain, Naglaa F Abd Alhalim, Fatma A Shaaban, Samia A Hemeda, Nihad A Ibrahim, Ammal M Metwally 
World J Hepatol 7(22):2418-2426. Published online Oct 8, 2015. doi: 10.4254/wjh.v7.i22.2418