No abstract available
MeSH terms
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Canada
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Carbolines
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Diabetes Complications
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Erectile Dysfunction / drug therapy*
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Humans
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Imidazoles / chemistry
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Imidazoles / therapeutic use
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Male
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Middle Aged
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Phosphodiesterase Inhibitors / chemistry
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Phosphodiesterase Inhibitors / pharmacology
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Phosphodiesterase Inhibitors / therapeutic use*
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Piperazines / chemistry
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Piperazines / therapeutic use
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Purines
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Sildenafil Citrate
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Sulfones
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Tadalafil
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Treatment Outcome
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Triazines
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Vardenafil Dihydrochloride
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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Vardenafil Dihydrochloride
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Tadalafil
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Sildenafil Citrate