LibidoAndrogensReceptors, AndrogenAndrogen AntagonistsAphrodisiacsEjaculationTestosteroneSexual Dysfunction, PhysiologicalOrgasmSexual Dysfunctions, PsychologicalSexual Behavior, AnimalErectile DysfunctionPenile ErectionAndrogen Receptor AntagonistsDihydrotestosteroneHypogonadismSperm CountSemenDyspareuniaProstatic NeoplasmsSperm MotilityTestosterone CongenersMetriboloneFlutamideAndrogen-Insensitivity SyndromeHot FlashesErgolines