Sildenafil citrate for the treatment of patients with cardiovascular diseases with exclusion of coronary artery disease and hypertrophic subaortic stenosis: Its beneficial effect on patients chronic chagas’s abd diabetic cardioneuromyopathies, hypertensive and hypertrophic cardiomyopathies, with or without chronic congestive heart failure. Rev Fac Cien Med Univ Nac Cordoba [Internet]. 2022 Mar. 9 [cited 2024 Oct. 25];60(2):23-3. Available from: https://revistas.psi.unc.edu.ar/index.php/med/article/view/36733