Transducers, PressurePressureTransducersBlood PressureRhinomanometryBlood Pressure DeterminationEquipment DesignIntraocular PressureTonometry, OcularManometryHydrostatic PressureDogsGastrointestinal MotilityMonitoring, PhysiologicSTAT3 Transcription FactorCatheterizationIntracranial PressureHypertensionDisease Models, AnimalReproducibility of ResultsBlood Pressure Monitoring, AmbulatoryAir PressureAtmospheric PressureRats, WistarVenous PressureSTAT1 Transcription FactorHeart RateArterial PressureVentricular Pressure