title: Sildenafil in the treatment of erectile dysfunction.
authors.forename: W N
authors.initials: WN
authors.lastname: Little
authors.forename: G T
authors.initials: GT
authors.lastname: Park
authors.forename: H M
authors.initials: HM
authors.lastname: Patton
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000208:Acute Disease; D000368:Aged; D003075:Coitus; D003556:Cystitis / Q000209:etiology*; D007172:Erectile Dysfunction / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use*; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate; D015106:3',5'-Cyclic-GMP Phosphodiesterases