No abstract available
Publication types
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Case Reports
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Comment
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Letter
MeSH terms
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3',5'-Cyclic-GMP Phosphodiesterases / antagonists & inhibitors*
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Aged
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Coitus / physiology
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Erectile Dysfunction / drug therapy*
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Humans
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Male
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Middle Aged
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Phosphodiesterase Inhibitors / adverse effects*
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Piperazines / adverse effects*
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Purines
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Sildenafil Citrate
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Sulfones
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Tachycardia, Ventricular / chemically induced*
Substances
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Phosphodiesterase Inhibitors
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Piperazines
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Purines
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Sulfones
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Sildenafil Citrate
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3',5'-Cyclic-GMP Phosphodiesterases