title: Use of Viagra by patients with heart disease.
authors.forename: D
authors.initials: D
authors.lastname: Holdright
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D002318:Cardiovascular Diseases / Q000150:complications / Q000523:psychology*; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D007172:Erectile Dysfunction / Q000150:complications / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; 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