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| 1 | Conditions listed in this trial | ||||
| Tinnitus | |||||
| 2 | More general conditions related to this trial | ||||
| Ear Diseases | |||||
| Hearing Disorders | |||||
| Nervous System Diseases | |||||
| Neurologic Manifestations | |||||
| Otorhinolaryngologic Diseases | |||||
| Sensation Disorders | |||||
| Signs and Symptoms | |||||
| 3 | Interventions listed in this trial | ||||
| Levitra (Vardenafil, BAY38-9456) | |||||
| Placebo | |||||
| 4 | Additional drug interventions recognized in this trial | ||||
| Vardenafil | |||||
| 5 | More general drug interventions related to this trial | ||||
| Enzyme Inhibitors | |||||
| Molecular Mechanisms of Pharmacological Action | |||||
| Pharmacologic Actions | |||||
| Phosphodiesterase Inhibitors | |||||
| 6 | Sponsors listed in this trial | ||||
| Bayer | |||||
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