title: Studies of Viagra offer some reassurance to men with concerns about cardiac effects.
authors: M
authors: M
authors: Mitka
mesh_terms: D002319:Cardiovascular System / Q000187:drug effects*; D007172:Erectile Dysfunction / Q000188:drug therapy; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000139:chemically induced*; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D012306:Risk; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate