Injections, SubcutaneousAdministration, OralBiological AvailabilityInjections, IntravenousCastor OilErythropoietinInfusions, SubcutaneousDose-Response Relationship, DrugInjections, JetDrug Administration RoutesHalf-LifeNadroparinTime FactorsRecombinant ProteinsRats, Sprague-DawleyDrug Administration ScheduleInjections, IntramuscularAdministration, CutaneousArea Under CurveRats, WistarOctreotideAnemiaHematinicsDisease Models, AnimalHematocritInfusions, ParenteralDelayed-Action PreparationsMice, Inbred ICRTrimethoprimCross-Over StudiesRats, Inbred StrainsSomatostatinNaloxoneDogsOrgan SizeMice, Inbred C57BLInfusions, IntravenousMorphineHemoglobinsPolyethylene GlycolsInsulinTissue DistributionBlood GlucosePain MeasurementSkinMice, Inbred BALB CBody WeightAnticoagulantsPainPyridinesAdjuvants, ImmunologicChromatography, High Pressure LiquidLymph NodesTreatment OutcomeKidney Failure, ChronicInterleukin-2BrainAnti-Bacterial AgentsRabbitsImmunoglobulin GUnited States Food and Drug AdministrationPregnancyPeptide FragmentsAdministration, IntranasalInjections, IntraperitonealAdministration, RectalLiverAdministration, TopicalAdministration, IntravenousDrug InteractionsInjections, IntraventricularDouble-Blind MethodBlood PressureAdministration, SublingualAdministration, InhalationKidneyRandom Allocation