41.   They have hitherto been the most generally used in clinical trials.

42.   Clinical trials continue with the aim of improving the prognosis for selected groups of medically fit individuals.

43.   According to this hypothesis, they have been administered in inflammatory bowel disease patients, but the results of various clinical trials are controversial.

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

45.   It has already been used in a few clinical trials in normal volunteers and diabetics.

46.   These cancer surveillance programmes are now widely implemented despite not having been subjected to clinical trial.

47.   Those studies, the minority, performed as part of clinical trials or formal clinical assessments are indicated as such as mentioned only for completeness.

48.   We did a meta-analysis of all published polychemotherapy vs supportive care clinical trials in patients with non-resectable non small cell lung cancer.

49.   Clinical trials are about to begin in Oxford but this stage would not have been reached without research on animals.

50.   These agents are now being tested in clinical trials with people at risk.