Product Surveillance, PostmarketingAdverse Drug Reaction Reporting SystemsUnited States Food and Drug AdministrationDrug ApprovalDrug-Related Side Effects and Adverse ReactionsClinical Trials, Phase IV as TopicPopulation SurveillanceUnited StatesConsumer Product SafetyDrug IndustryIntussusceptionSafetyFamily PracticeSentinel SurveillanceVaccines, AttenuatedPractice Guidelines as TopicTreatment OutcomePhysician's Practice PatternsJapanDrug MonitoringAntirheumatic AgentsClinical Trials as TopicProfessional Practice