CisaprideMethyl ParathionCholinesterasesDose-Response Relationship, DrugDrugs, Chinese HerbalGastrointestinal AgentsDrug Therapy, CombinationRats, Sprague-DawleyPiperidinesGastric EmptyingTime FactorsGastrointestinal MotilitySimethiconeDomperidoneGene DosageDosage Compensation, GeneticSerotonin AntagonistsMetoclopramideDosage FormsGastroesophageal RefluxEther-A-Go-Go Potassium Channels