Quezada Ramón, AlbertoMerchán C., RaúlGómez, Marcelo2014-07-042014-07-041978http://dspace.ucuenca.edu.ec/handle/123456789/18355application/pdfopenAccesshttp://creativecommons.org/licenses/by-nc-sa/3.0/ec/GeriatriaEnfermadades GastrointestinalesbachelorThesis