Example sentences of "[been] shown [prep] [be] [adj] in " in BNC.

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1 Some authorities maintained that it was the first time a single drug had been shown to be useful in controlling psychotic patients .
2 To this end , two companies , Hoechst , whose product Trental ( oxpentifylline ) had recently been shown to be useful in the treatment of chronic venous ulceration , and Perstorp Pharma whose new product , Iodosorb ointment ( cadexomer iodine ) , useful in the treatment of infected ulcers , had recently been promoted , were contacted .
3 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 .
4 Recently , a non-peptide substance P antagonist ( CP 96345 ) has been shown to be effective in animal models of pain and inflammation .
5 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 .
6 So , this has been shown to be effective in moderating the toxic events which occur in grand negative shock .
7 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 .
8 In this study nifedipine plus diuretic lowered blood pressure more effectively than propranolol plus diuretic , which has previously been shown to be effective in black hypertensive patients .
9 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 .
10 But this general expectation has already been shown to be misleading in his approach to the monastic life of the community at Canterbury .
11 In experimental animals , gangliosides have been shown to be protective in a number of conditions including anoxic ischaemia , models of Parkinson 's disease , central nervous system trauma , autoimmune neurological disease , and peripheral nerve injury .
12 Endoscopic treatment has been shown to be beneficial in bleeding patients .
13 Some techniques , such as cost analysis and cost minimisation analysis , proceed on the basis that the alternatives under consideration have been shown to be equivalent in effectiveness .
14 In these experiments , two kinds of learning have been shown to be possible in a nervous system with fixed cell numbers and connections , by altering the effectiveness of synapses .
15 This may be important as lithocholic acid has been shown to be genotoxic in in vitro studies .
16 Such elements are relatively poorly characterized , but different structural features such as acidic regions with amphipathic helices , glutamine-rich , proline-rich , and serine/threonine-rich domains have been shown to be involved in activation of transcription ( 36,64–66 ) .
17 In other systems , far upstream and/or downstream sequences of tissue-specific genes or gene families have been shown to be involved in position-independent , copy number-dependent expression of associated genes in transgenic mice .
18 Thirdly , the only course of action if some form of handicap is detected , is to have an abortion , as the handicap has already been shown to be present in the foetus .
19 NC protein from MoMuLV has been shown to be present in the preintegration complex ( J.-L .
20 ZNF proteins contain ‘ finger ’ motifs consisting of approximately 30 amino acids which coordinate a zinc ion , and were first described in the Xenopus transcription factor IIIA ( 6,7 ) , but have been shown to be present in species as diverse as Drosophila and man .
21 In general , NCp7 mutants , which have been shown to be active in stimulating RNA dimerization , annealing of the primer tRNA to the PBS and the initiation of cDNA synthesis ( 6 ) , were found to interact with DNA and to protect DNA from endonuclease cleavage .
22 The reason for this discrepancy is not clear , as the VSG promoter has been shown to be active in procyclic , as well as in bloodstream form trypanosomes ( 22 , 33 ) .
23 If the test has not been shown to be reliable in empirical studies , then there is no guarantee that any information obtained by using the test will provide an accurate reflection of any child 's ability .
24 These tests have been shown to be reliable in detecting H pylori infection in patients with and without renal failure .
25 Serum triglyceride levels are generally unaltered in both short- and long-term studies ( Dodson et al , 1985 ) , providing unrefined carbohydrate is used , as opposed to refined carbohydrate which has been shown to be hypertriglyceridaemic in some studies ( Reaven , 1980 ) .
26 While community services may provide a richer material environment and wider opportunities for constructive activity than institutions , the patterns of staff behaviour which have been shown to be important in enabling active participation by people with severe or profound learning disabilities can be overlooked or ignored in the pursuit of ‘ homeliness ’ .
27 Smoking control advocates will be thus justified in broadcasting that the tobacco industry is ( yet again ) on the public record as having been shown to be deceitful in its communications with the public .
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