Product Surveillance, PostmarketingComputers, MainframeMarketingAdverse Drug Reaction Reporting SystemsUnited States Food and Drug AdministrationDrug ApprovalSocial MarketingDrug-Related Side Effects and Adverse ReactionsMarketing of Health ServicesClinical Trials, Phase IV as TopicPopulation SurveillanceDrug IndustryConsumer Product SafetyIntussusceptionUnited StatesSafetySentinel SurveillanceAdvertising as TopicVaccines, AttenuatedJapan