Penile ErectionTomographyPenisGibberellinsErectile DysfunctionOptic DiskOphthalmoscopyPriapismCanadaDiagnostic Techniques, OphthalmologicalOphthalmoscopesOptic Nerve DiseasesGlaucomaSalmonella entericaImpotence, VasculogenicGlaucoma, Open-AngleSulfonesPlant Growth RegulatorsPenile IndurationLibidoSalmonellaOrgasmNerve FibersLasersTomography, Optical CoherenceOcular HypertensionVisual Field TestsPurinesPhotographyArabidopsis ProteinsEjaculationSalmonella InfectionsAlprostadilSalmonella Food PoisoningContraceptives, OralArabidopsisPapaverineCyclopentolateGerminationIntraocular PressureVisual FieldsPhosphodiesterase 5 InhibitorsSulfamethizoleApomorphineSalmonella Infections, AnimalTomography, OpticalPiperazinesReproducibility of ResultsPhosphodiesterase InhibitorsGene Expression Regulation, PlantFluorescein AngiographyContraceptives, PostcoitalTurkeysRetinal Ganglion CellsRetinal VesselsFlowersGermanyContraceptives, Oral, CombinedPenile ProsthesisCoitusPenile ImplantationPlant DormancyObserver VariationRetinaFundus OculiYawningContraceptives, Oral, HormonalNepetaVision DisordersLaser-Doppler FlowmetrySexual Dysfunction, PhysiologicalPlant ProteinsMicroscopy, ConfocalAlkyl and Aryl TransferasesMutationUrologic Surgical Procedures, MaleSensitivity and SpecificityPoultry DiseasesAphrodisiacsCopulationSignal TransductionFood MicrobiologyCross-Sectional StudiesTime FactorsHypocotylPoultrySerotypingral Guanine Nucleotide Exchange FactorOntarioTonometry, OcularFood InspectionPlants, Genetically ModifiedMacula LuteaCarbolinesContraception, PostcoitalErgoloid MesylatesMolecular Sequence DataSeedsInjectionsProspective Studies