No abstract available
MeSH terms
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Aged
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Brain / blood supply*
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Brain / diagnostic imaging
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Brain / pathology
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Carbolines / adverse effects*
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Cerebral Arteries / diagnostic imaging
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Cerebral Arteries / drug effects*
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Cerebral Arteries / pathology
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Cerebral Hemorrhage / chemically induced*
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Cerebral Hemorrhage / diagnostic imaging
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Cerebral Hemorrhage / pathology
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Cerebrovascular Circulation / drug effects
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Cerebrovascular Circulation / physiology
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Dose-Response Relationship, Drug
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Drug Administration Schedule
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Drug Labeling
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Drug Overdose
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Erectile Dysfunction / drug therapy
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Headache / etiology
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Homeostasis / drug effects
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Homeostasis / physiology
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Humans
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Magnetic Resonance Imaging
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Male
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Patient Compliance
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Phosphodiesterase Inhibitors / adverse effects*
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Tadalafil
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Time Factors
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Tomography, X-Ray Computed
Substances
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Carbolines
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Phosphodiesterase Inhibitors
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Tadalafil