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Tobar-Marcillo M, Guerrero-Duran M, Avecillas-Segovia A, Pacchiano-Aleman L, Basante-Díaz R, Vela-Vizcaino H, Espinosa-Aznar E, Castorena García P, Santiago-Ramírez R, Rivas-Bucio I.Tobar-Marcillo M, et al.Gastroenterol Hepatol. 2018 Jun-Jul;41(6):362-368. doi: 10.1016/j.gastrohep.2018.04.002. Epub 2018 May 11.Gastroenterol Hepatol. 2018.PMID: 29759925Clinical Trial.English, Spanish.