We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUnderstanding the limitations of retrospective analyses of poison center data.AuthorsHoffman RSPublicationClinical toxicology (Philadelphia, Pa.), 2007, Vol 45, Issue 8, p943ISSN1556-3650Publication typearticleDOI10.1080/15563650701233370