We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHow to appraise the effectiveness of treatment.AuthorsBhandari M; Haynes RBPublicationWorld journal of surgery, 2005, Vol 29, Issue 5, p570ISSN0364-2313Publication typearticleDOI10.1007/s00268-005-7915-9