title: Efficacy of sildenafil citrate (VIAGRA) is not affected by aetiology of erectile dysfunction.
authors.affiliation: Columbia Presbyterian Hospital, New York, USA.
authors.forename: R
authors.initials: R
authors.lastname: Shabsigh
mesh_terms: D004311:Double-Blind Method; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D008297:Male; 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