Substance PReceptors, Neurokinin-1Reinforcement ScheduleTachykininsNeurokinin-1 Receptor AntagonistsNeurokinin ADrug Administration SchedulePhysalaeminReceptors, TachykininEledoisinReceptors, Neurokinin-2Substance-Related DisordersCalcitonin Gene-Related PeptideCapsaicinColumbidaeImmunization ScheduleReceptors, NeurotransmitterDose-Response Relationship, DrugQuinuclidinesNeurokinin BFee SchedulesReinforcement (Psychology)Conditioning, OperantIsoindolesVasoactive Intestinal PeptideReceptors, Neurokinin-3Guinea PigsNeuropeptidesTime FactorsSubstance Abuse Treatment CentersKassininAppetitive BehaviorNeurogenic InflammationPiperidinesWork Schedule ToleranceDrug and Narcotic ControlRats, Sprague-DawleySpinal CordBiphenyl CompoundsNeurons, AfferentThiorphanMotivationBradykininMuscle, SmoothBehavior, AnimalBombesinThiobarbituric Acid Reactive SubstancesEnkephalin, MethionineTreatment OutcomePyrrolidonecarboxylic AcidSelf AdministrationMuscle ContractionNeurotensinHumic SubstancesNeurotransmitter AgentsDiscrimination LearningAtropineIleumRats, Inbred StrainsNerve FibersHazardous SubstancesRats, WistarChoice BehaviorElectric StimulationGanglia, SpinalNeprilysinNeuronsInfusions, IntravenousDiagnosis, Dual (Psychiatry)Parotid GlandPainKidney PelvisStreet DrugsAcetylcholineUnited StatesTracheaInjections, SpinalExtinction, PsychologicalAntineoplastic AgentsQuestionnairesImmunohistochemistryDextroamphetamineSerotoninNeoplasmsSomatostatinGanglia, SympatheticRadioimmunoassayAnalysis of VarianceCocainep-Methoxy-N-methylphenethylamineToken EconomyMental DisordersHistamineCocaine-Related DisordersNeuropeptide YIndolesCells, CulturedSalivationMarijuana AbuseDrug Interactions