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An Evaluation of Semen Characteristics in Men 45 Years of Age or Older after Daily Dosing with Tadalafil 20mg: Results of a Multicenter, Randomized, Double-Blind, Placebo-Controlled, 9-Month Study

InfertilityUrologyAndrologyFertilityTadalafil 20MgGynecologyMen 45Male InfertilitySemen AnalysisSemen CharacteristicsPublic HealthMedicineReproductive Endocrinology