title: Sildenafil citrate (VIAGRA) in the treatment of erectile dysfunction: analysis of two flexible dose-escalation studies. Sildenafil Study Group.
authors.affiliation: Department of Urology, Academisch Ziekenhuis, Nijmegen, The Netherlands.
authors.forename: R
authors.initials: R
authors.lastname: Feldman
authors.forename: E J
authors.initials: EJ
authors.lastname: Meuleman
authors.forename: W
authors.initials: W
authors.lastname: Steers
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004311:Double-Blind Method; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010726:Phosphodiesterase Inhibitors / Q000008:administration & dosage*; D010879:Piperazines / Q000008:administration & dosage*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate