RT Journal Article SR Electronic T1 Hip and knee joint replacements JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 57 OP 60 DO 10.1136/dtb.30.15.57 VO 30 IS 15 YR 1992 UL http://dtb.bmj.com/content/30/15/57.abstract AB This year over 40 000 people in the UK will have a total hip replacement and a further 15 000 patients will have replacement of a knee joint.1 This article reviews the progress made with these operations – which patients do they suit and how good are the results?