1.   A randomised controlled trial comparing prompted care with continuing hospital clinic care was undertaken.

2.   A systematic review of controlled trials.

3.   The effectiveness of medical interventions is best evaluated by a systematic analysis of randomised controlled trials.

4.   Other studies suggest that cyclosporin is of therapeutic value in ulcerative colitis, but there have been no controlled trials.

5.   Up to the present all patients treated with cyclosporin for ulcerative colitis have had severe, refractory disease and there are no published controlled trials.

6.   Further controlled trials are needed to define clearly the role of cyclosporin in the treatment of ulcerative colitis.

7.   This is the first controlled trial of a bismuth enema preparation in patients with distal ulcerative colitis.

8.   The controlled trial compared duration of remission on an elimination diet with that on an unrefined carbohydrate, fibre rich diet.

9.   There are, however, only a few controlled trials.

10.   This study was designed as a controlled clinical trial, incorporating a double blind placebo control.