1. Effect of UK national guidelines on services to treat patients with acute low back pain: follow up questionnaire survey. Issue 7188 (3rd April 1999) Authors: Barnett, A G; Underwood, M R; Vickers, M R Journal: BMJ Issue: Volume 318:Issue 7188(1999) Page Start: 919 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study. Issue 7191 (24th April 1999) Authors: Welton, A J; Vickers, M R; Cooper, J A; Meade, T W; Marteau, T M Journal: BMJ Issue: Volume 318:Issue 7191(1999) Page Start: 1114 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗