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Carvalho AT, Elia CC, de Souza HS, Elias PR, Pontes EL, Lukashok HP, de Freitas FC, Lapa e Silva JR.Carvalho AT, et al. Among authors: de souza hs, de freitas fc.J Clin Gastroenterol. 2003 Feb;36(2):120-5. doi: 10.1097/00004836-200302000-00006.J Clin Gastroenterol. 2003.PMID: 12544193
Farias E Silva K, Nanini HF, Cascabulho CM, Rosas SLB, Santana PT, Carneiro AJV, Anaissie E, Nucci M, de Souza HSP.Farias E Silva K, et al.World J Gastroenterol. 2021 Mar 7;27(9):866-885. doi: 10.3748/wjg.v27.i9.866.World J Gastroenterol. 2021.PMID: 33727775Free PMC article.