üzere etkiler yan almaktad?r. Cobra 130 mg, kullan?c?lar?na seksüel evet?amlar?nda daha enerjik ve bahtiyar olmalar? dâhilin takviye sa?lamlar.When sexual stimulation causes local release of NO, inhibition of PDE-5 by sildenafil causes increased levels of cGMP in the corpus cavernosum, resulting in smooth muscle relaxation and inflow of blood to