Some men who take Viagra die--why?
Mitka
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D002318:Cardiovascular Diseases / Q000401:mortality*; D006801:Humans; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011358:Product Surveillance, Postmarketing; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D014481:United States; D014486:United States Food and Drug Administration
D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate