Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePatient-controlled analgesia with and without background infusion. Analgesia assessed using the demand: delivery ratio.AuthorsMcCoy, E. P.; Furness, G.; Wright, P. M. C.PublicationAnaesthesia, 1993, Vol 48, Issue 3, p256ISSN0003-2409Publication typeArticleDOI10.1111/j.1365-2044.1993.tb06914.x