We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEffects of caffeine in chewing gum on mood and attention.AuthorsSmith, AndrewPublicationHuman Psychopharmacology: Clinical & Experimental, 2009, Vol 24, Issue 3, p239ISSN0885-6222Publication typearticleDOI10.1002/hup.1020