Effect of sildenafil citrate upon myocardial ischemia in patients with chronic stable angina in therapy with beta-blockers

Elena Cerquetani; Filippo Leonardo; Francesco Frascà; Francesco Pelliccia; Giuseppe M.C. Rosano; Massimo Fini; Pasquale Galetta; Roberto Patrizi; Sergio L. Chierchia

Effect of sildenafil citrate upon myocardial ischemia in patients with chronic stable angina in therapy with beta-blockers