Sildenafil (Viagra): cardiac risks.
Morrison
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D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D016907:Adverse Drug Reaction Reporting Systems; D000368:Aged; D002170:Canada; D007172:Erectile Dysfunction / Q000188:drug therapy; D006323:Heart Arrest / Q000139:chemically induced; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000139:chemically induced; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate; D015106:3',5'-Cyclic-GMP Phosphodiesterases