“…22 Emslie et al reported improvements in general practice management and referral of infertile couples when guidelines were embedded within an infertility management package.30 Many studies have reminded doctors about previous non-compliance with guidelines at the time of consultation: patients' notes are screened before the consultation, either by a trained health care professional or more often by a computer, and reminders are placed only in those notes not complying with the guidelines (tables 1, 2).7 8 11 13 compliance, introduction of a new x ray examination request form, and review of requests for x ray examinations by radiologists: all were moderately successful, none more so than the other three (table 3).62 In a sequential study Sommers et al compared the effect on managing unexplained low haemoglobin concentration of two different types of feedbackaggregated versus patient specific feedback: they found that both strategies improved compliance but patient specific feedback was better (table 1). 16 Lomas et al compared the effects of the traditional audit cycle with continuing education led by a local "opinion leader": they observed significant improvements in compliance with guidelines for caesarean sections only for the opinion leader." McPhee et al compared computer generated reminders placed in patients' notes with aggregated feedback to promote cancer screening; both strategies were successful but reminders were better (table 2).…”