No abstract available
MeSH terms
-
Adolescent
-
Adult
-
Aged
-
Aged, 80 and over
-
Clinical Trials, Phase II as Topic
-
Clinical Trials, Phase III as Topic
-
Controlled Clinical Trials as Topic
-
Double-Blind Method
-
Erectile Dysfunction / drug therapy*
-
Humans
-
Male
-
Middle Aged
-
Phosphodiesterase Inhibitors / adverse effects
-
Phosphodiesterase Inhibitors / therapeutic use*
-
Piperazines / adverse effects
-
Piperazines / therapeutic use*
-
Purines
-
Sildenafil Citrate
-
Sulfones
Substances
-
Phosphodiesterase Inhibitors
-
Piperazines
-
Purines
-
Sulfones
-
Sildenafil Citrate