Astudillo Molina, Rubén ArturoMosquera R., Inés C.Padilla M., EnoeOyervide R., Gloria2014-07-042014-07-041982http://dspace.ucuenca.edu.ec/handle/123456789/18395application/pdfopenAccesshttp://creativecommons.org/licenses/by-nc-sa/3.0/ec/GastroenterologiaEstomagobachelorThesis