No abstract available
MeSH terms
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Carbolines / therapeutic use
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Contraindications
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Erectile Dysfunction / blood
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Erectile Dysfunction / drug therapy*
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Erectile Dysfunction / etiology
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Humans
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Imidazoles / therapeutic use
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Male
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Phosphodiesterase Inhibitors / therapeutic use*
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Piperazines / therapeutic use
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Purines
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Sildenafil Citrate
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Sulfones / therapeutic use
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Tadalafil
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Testosterone / blood
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Triazines / therapeutic use
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Vardenafil Dihydrochloride
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Vasodilator Agents / therapeutic use*
Substances
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Carbolines
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Imidazoles
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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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Triazines
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Vasodilator Agents
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Testosterone
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Vardenafil Dihydrochloride
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Tadalafil
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Sildenafil Citrate