| http://www.w3.org/ns/prov#value | - have a rare inherited eye disease called retinitis pigmentosa have ever had any kidney problems have ever had any liver problems have ever had any blood problems, including sickle cell anemia or leukemia are allergic to sildenafil or any of the other ingredients of VIAGRA?? tablets have a deformed penis, Peyronie's disease, or ever had an erection that lasted more than 4 hours have stomach ulcers
|
