title: Sympathetic activation by sildenafil.
authors.forename: S D
authors.initials: SD
authors.lastname: Katz
authors.forename: D V
authors.initials: DV
authors.lastname: Parums
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors / Q000378:metabolism; D000328:Adult; D001341:Autonomic Nervous System / Q000187:drug effects / Q000502:physiology; D001794:Blood Pressure / Q000187:drug effects; D002318:Cardiovascular Diseases / Q000201:enzymology; D002490:Central Nervous System / Q000201:enzymology; D054706:Cyclic Nucleotide Phosphodiesterases, Type 5; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007527:Isoenzymes / Q000037:antagonists & inhibitors / Q000378:metabolism; D008297:Male; D009130:Muscle, Smooth / Q000201:enzymology / Q000294:innervation; D009928:Organ Specificity; D010879:Piperazines / Q000494:pharmacology*; D011687:Purines; D000068677:Sildenafil Citrate; D013312:Stress, Physiological; D013450:Sulfones; D013564:Sympathetic Nervous System / Q000187:drug effects* / Q000502:physiology
chemical_list: D007527:Isoenzymes; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate; D015106:3',5'-Cyclic-GMP Phosphodiesterases; D054706:Cyclic Nucleotide Phosphodiesterases, Type 5; C517381:PDE5A protein, human