Nb.0701.005.004.2021 Announcement Of Open Competition For Entities Carrying Out Medical Activities Under The Project "Impact Of Sacubitril/Valsartan Compared To Ramipril On The Remodeling And Function Of The Left Ventricle In Patients With Heart Failure Of Ischemic Etiology And Intermediate Fraction "Ejection" With The Acronym Cracovia-Hf