Example sentences of "that [verb] be shown to " in BNC.

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1 Medication Imipramine ( a tricyclic antidepressant , Tofranil ) is the only drug that has been shown to be significantly more effective than a placebo in reducing wetting frequency .
2 Moreover , by choosing an option that has been shown to be the best in terms of quality of life days gained general practitioners would be more certain that they were acting with beneficence ; at present , using simply their ‘ unaided intuitive judgment ’ to make such decisions , they can only hope that this is the case .
3 Both plasmids were introduced into E.coli C , a strain that has been shown to be deleted for the chromosomal hsd genes [ 29 ] , and tested for R-M function .
4 I AM writing on behalf of the ships company of HMS Active , and in particular the Petty Officers ' mess , to formally thank the city of Liverpool for the excellent hospitality that has been shown to us during our visit .
5 The confounding factors were patients ' characteristics that had been shown to be predictive of increased perinatal risk .
6 The patient returned to eating only foods that had been shown to be safe .
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