title: Sildenafil: a revolutionary therapy?
authors.forename: S M
authors.initials: SM
authors.lastname: Marshall
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors; D000328:Adult; D048909:Diabetes Complications; D003920:Diabetes Mellitus / Q000503:physiopathology; D004791:Enzyme Inhibitors / Q000627:therapeutic use*; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010410:Penile Erection / Q000187:drug effects; D010879:Piperazines / Q000627:therapeutic use*; D015995:Prevalence; D011687:Purines; D012449:Safety; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D004791:Enzyme Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate; D015106:3',5'-Cyclic-GMP Phosphodiesterases