title: A 36-week, open label, non-comparative study to assess the long-term safety of sildenafil citrate (VIAGRA) in patients with erectile dysfunction.
authors.affiliation: Boston University Medical Center, Massachusetts, US.
authors.forename: I
authors.initials: I
authors.lastname: Goldstein
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate