No abstract available
MeSH terms
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Erectile Dysfunction / drug therapy
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Humans
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Male
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Optic Neuropathy, Ischemic / chemically induced
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Optic Neuropathy, Ischemic / epidemiology
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Phosphodiesterase Inhibitors / adverse effects
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Phosphodiesterase Inhibitors / therapeutic use
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Piperazines / adverse effects*
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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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Vision Disorders / 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