OligospermiaAzoospermiaInfertility, MaleAndrogensSperm CountMesteroloneChromosomes, Human, YSpermatogenesisReceptors, AndrogenTestisHydrocarbons, BrominatedSperm MotilitySpermatozoaTestosteroneSperm RetrievalAndrogen AntagonistsSeminal Plasma ProteinsTesticular DiseasesSperm Injections, IntracytoplasmicAndrogen Receptor AntagonistsSex Chromosome Disorders of Sex DevelopmentDihydrotestosteroneSex Chromosome AberrationsKlinefelter SyndromeY ChromosomeVasovasostomyMicrosurgerySemen