Example sentences of "[vb -s] be shown [prep] be [adj] " in BNC.
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| 1 | A minimum complete three day stool collection with homogenisation has been shown to be necessary to minimise variation and most previous studies , with few exceptions , have not done this . |
| 2 | Against this evidence certain points must be made ; no trial of antiarrhythmic agents in patients with increased ventricular ectopic counts has been shown to be beneficial ; in the case of the Cardiac Arrhythmia ( CAST ) trial it has proven detrimental . |
| 3 | Indeed , in many studies epidural analgesia has been shown to be beneficial . |
| 4 | Endoscopic treatment has been shown to be beneficial in bleeding patients . |
| 5 | This may be important as lithocholic acid has been shown to be genotoxic in in vitro studies . |
| 6 | The creatine kinase increase in all nine infants has been shown to be due to the muscle isoenzyme . |
| 7 | Although the mechanism by which dowsing works is not understood , the method has been shown to be capable of accurately locating buried archaeological features . |
| 8 | 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 . |
| 9 | 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 . |
| 10 | Recently , a non-peptide substance P antagonist ( CP 96345 ) has been shown to be effective in animal models of pain and inflammation . |
| 11 | 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 . |
| 12 | 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 . |
| 13 | So , this has been shown to be effective in moderating the toxic events which occur in grand negative shock . |
| 14 | 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 . |
| 15 | In those with non-sustained ventricular tachycardia during electrocardiographic monitoring treatment with low dose amiodarone has been shown to be effective . |
| 16 | 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 . |
| 17 | Colorectal tumour cell lines may also express receptors specific for gastrin , and gastrin has been shown to be mitogenic to certain colorectal cancer cell lines in vitro and in transplantable tumours in vivo . |
| 18 | The presence of at least some specialist assistance has been shown to be essential for raising the standards of the whole team . |
| 19 | We are already aware , however , of dangerous interpretations of the paper by some people to the effect that schools health education as a whole has been shown to be ineffective , and that efforts should be diverted towards non-school policy measures and health education outside the school . |
| 20 | Antibody L2 has been shown to be specific for the C-terminus of amidated gastrins , 109–21 for the C-terminus of Gly-extended gastrins , and , antibody L289 for the C-terminus of progastrin . |
| 21 | NC protein from MoMuLV has been shown to be present in the preintegration complex ( J.-L . |
| 22 | The objective is simple — to ensure that others learn from the experience of the identified ‘ best ’ and raise their own level of performance to that which has been shown to be attainable . |
| 23 | The movement to re-examine curriculum and methodology , which has been shown to be characteristic of teachers and educationists since the end of the Second World War , may take a variety of different forms , and become associated with a number of different fashions and bandwagons , but it is unlikely to come to a halt . |
| 24 | ‘ but invariably , even when we have needed to correct or update details in our reports , the sad fact remains that the overall portrait of horror has been shown to be true and if anything , understated . ’ |
| 25 | 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 ) . |
| 26 | Furthermore , nutritional treatment with enteral feeds in which nitrogen is provided as a hydrolysate of whole protein has been shown to be inferior to drug treatment in two large studies involving adults , although a small study in children showed equal efficacy to corticosteroids . |
| 27 | Most significantly , the structure of many rifts examined by seismic methods has been shown to be asymmetric with most of the downthrow occurring along a major boundary listric fault on one side of the rift . |
| 28 | Those that have seemed to indicate that ESP might be at work have generally later been discredited : either the subject of the experiment has been proven to be a charlatan or the experimental procedure itself has been shown to be flawed . |
| 29 | Prediction has been shown to be difficult , if not dangerous , when one thinks of all those worthy , well-written , sincerely felt , and critically-supported books that remain unread ( see Manning , 1969 ; Avery , 1972 ) , and those obvious , apparently superficial and mundane pot-boilers that gain young readers ' affections . |
| 30 | In the second place , the account that has been provided has been shown to be open to differing interpretations of value ; in other words , while we may agree what the main changes in the family have been , we may disagree over whether or not we approve of these changes . |