Example sentences of "has be [verb] to [be] effective " in BNC.

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1 The standard method of recovery must be taught because it has been proven to be effective during testing .
2 Albendazole has been reported to be effective .
3 Diethycarbamazine has been reported to be effective .
4 So the results of this trial will be of enormous benefit to mothers as in future they will be offered a treatment which has been shown to be effective .
5 Alternatively anaerobic digestion of the slurry by bacteria at a temperature of about 35°C has been shown to be effective in alleviating odour emission .
6 Recently , a non-peptide substance P antagonist ( CP 96345 ) has been shown to be effective in animal models of pain and inflammation .
7 Non-mydriatic fundal photography is useful for detecting retinopathy in patients with diabetes and has been shown to be effective in identifying previously unrecognised retinopathy when used in the community .
8 The technique has been adapted to suit the format of text recognition data , and has been shown to be effective as a means of identifying correct words from alternative candidates .
9 So , this has been shown to be effective in moderating the toxic events which occur in grand negative shock .
10 Recombinant interferon alfa has been shown to be effective in some patients with chronic hepatitis C. There are now 13 published randomised controlled trials of interferon alfa ( dose : 1–10 MU ) in chronic non-A , non-B hepatitis .
11 In those with non-sustained ventricular tachycardia during electrocardiographic monitoring treatment with low dose amiodarone has been shown to be effective .
12 At the same time anti-diarrhoeal efficacy is maintained , since a dose of even 1 mg has been shown to be effective in a randomised double blind study of acute diarrhoea in adults .
13 This has been found to be effective in the USA .
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