Semen AnalysisSemenSperm CountSperm MotilityInfertility, MaleAndrologySpermatozoaSemen PreservationVaricoceleManuals as TopicGastric Acidity DeterminationOligospermiaEjaculationVasectomyAsthenozoospermiaSperm BanksAzoospermiaFertilityClinical Laboratory ServicesChromomycin A3Acrosome ReactionGastric AcidCryopreservationScrotumEmbryologySpermatogenesisInsemination, ArtificialTestisSperm HeadSpermatoceleHydrogen-Ion ConcentrationSperm-Ovum InteractionsSexual AbstinenceInfertilityWorld Health OrganizationQuality ControlSeminal Plasma ProteinsFertility PreservationReproductive Techniques, AssistedAcidsInsemination, Artificial, HomologousPregnancy RateChromosomes, Human, YFertilization in VitroPregnancyClinical Laboratory TechniquesTestosteroneFertilizationFollicle Stimulating HormoneZona PellucidaAnti-Ulcer AgentsSperm Injections, IntracytoplasmicRanitidineInfertility, FemaleReference ValuesDNA Fragmentation2-PyridinylmethylsulfinylbenzimidazolesRabeprazoleGastric JuiceOmeprazoleTime FactorsFamotidineGastrinsPasteurizationAchlorhydriaHistamine H2 AntagonistsLuteinizing HormoneDuodenal UlcerRetrospective StudiesAcid RainBenzimidazolesProspective Studies