Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleProportional impairment ratios: comment on McDonald et al., 2008.AuthorsHINDMARCH, IANAbstractA letter to the editor is presented in response to the article "Sedation and antihistamines: an update. Review of inter-drug differences using proportional impairment ratios," by K. McDonald et al in issue 23.SubjectsLETTERS to the editor; CONSCIOUS sedationPublicationHuman Psychopharmacology: Clinical & Experimental, 2009, Vol 24, Issue 3, p249ISSN0885-6222Publication typeArticleDOI10.1002/hup.1007