Pesántez B., Miguel R.Vintimilla G., Eduardo2014-07-042014-07-041979http://dspace.ucuenca.edu.ec/handle/123456789/18354application/pdfopenAccesshttp://creativecommons.org/licenses/by-nc-sa/3.0/ec/Enfermedades PulmonaresBronquitisBronconeumoniabachelorThesis