Example sentences of "study have [verb] that [adj] [noun] " in BNC.
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| 1 | Previous anecdotal reports and one study have suggested that colonic investigation should be performed in all patients because of the frequency of dual colonic and upper intestinal disease . |
| 2 | Data from the Coronary Artery Surgery Study and European Coronary Surgery Study have shown that coronary artery bypass grafting ( CABG ) reduces the incidence of sudden death in selected patients with chronic stable angina , particularly those with impaired left ventricular function . |
| 3 | Cross-cultural studies have demonstrated that Bantu mothers establish night and day dryness by 5 to 6 months of age by being aware of their child 's signs ( de Vries and de Vries 1977 ) . |
| 4 | Many studies have demonstrated that genetic factors contribute to susceptibility to duodenal ulcers . |
| 5 | Recent studies have confirmed that large parts of a house officer 's week are spent on routine tasks like taking blood , filling in forms , arranging beds for routine and emergency admissions , and filing laboratory reports . |
| 6 | In support of this view , a number of studies have indicated that language-impaired children make significant improvements if the adults around them are induced to make systematic changes in certain aspects of their language ( Howlin 1984 ; McLean and Snyder 1978 ) . |
| 7 | Some breeds such as Cocker Spaniels will bark repeatedly , and studies have revealed that this behaviour is far more common in dogs than in their ancestor , the grey wolf . |
| 8 | Two studies have shown that general practitioners can deal with a high proportion of night calls on the telephone , but Sheldon and Harris found that fewer than 3% of night calls received by two deputising services were dealt with by giving advice by telephone without a visit . |
| 9 | Case-controlled studies have shown that pulmonary colonisation with P cepacia is associated with increased morbidity and rapidly fatal deterioration . |
| 10 | International studies have shown that increased tax incentives to companies for R&D would be ineffective and wasteful . |
| 11 | More recent studies have shown that hepatic denervation causes significant changes in the biliary lipid composition . |
| 12 | Previous studies have shown that hepatic bile from cholesterol gall stone patients provides a greater total lipid concentration but not to a significant degree compared with controls . |
| 13 | C-NMR and Raman spectroscopic studies have shown that ultraviolet irradiation causes the two conjugated triple bonds of the monomer to be replaced in the polymer by an alternating double-bonded and triple-bonded conjugated structure . |
| 14 | These findings were unexpected , as most of previously published clinicopathological studies have shown that low grade B cell gastric lymphoma is a disease process confined to the stomach for years . |
| 15 | Molecular epidemiological studies have shown that geographical heterogeneity exists between isolates and that numerous clones ( defined by restriction fragment-length polymorphism analysis of rRNA genes ) seem to be circulating . |
| 16 | Several studies have shown that faecal bile acid excretion is appreciably raised in patients with cystic fibrosis and is comparable with that seen in subjects who have had ileal resection . |
| 17 | Interestingly , previous studies have shown that site-specific dephosphorylation in the C-terminal region of c-Jun in response to mitogenic stimuli converts the protein from a form that can not bind DNA to a form that can ( 15 , 16 ) . |
| 18 | Additionally , animal studies have shown that monaural occlusion early in development can influence the development of auditory receptive fields in the central nervous system . |
| 19 | Several studies have shown that diabetic platelets synthesise increased amounts of thromboxane A 2 as assessed by thromboxane B 2 levels ( Ziboh et al , 1979 ; Butkus et al , 1980 ; Lagarde et al , 1980 ; Halushka et al , 1981b ) . |
| 20 | However , several other studies have shown that successful breeders live longer ( Drosophila melanogaster : Partridge & Farquhar , 198 1 ) . |
| 21 | As other studies have shown that working class people suffer most from ill-health and also use health services less effectively than others , the research investigates three small samples of such people in three different areas : East London , Birmingham and Leeds . |
| 22 | As longitudinal studies have shown that fearful children can be at risk for later behaviour problems ( Richman et al . |
| 23 | Several studies have shown that mucosal cell proliferation is uniform throughout the various segments of the colon in normal subjects , in those with adenomatous polyps or colon cancer , and in those with hereditary risk factors for colon malignancy . |
| 24 | A number of such studies have shown that economic growth rates can not be explained completely by changes in capital and labour inputs . |
| 25 | Several studies have shown that unskilled staff rapidly acquire the skill to insert the mask . |
| 26 | i Several studies have shown that smoking habits vary between socioeconomic groups , i.e that people from lower social groups with less education or in manual occupations are more likely to smoke than those from other socioeconomic groups . |
| 27 | Indeed , previous in vivo studies have shown that intravenous administration of PYY in man at plasma concentrations seem postprandially inhibits gastric emptying and intestinal transit . |
| 28 | With that said , a large number of studies have shown that physical measures are much more effective in reducing speeding . |
| 29 | Other studies have shown that social class is as important a factor in the housing conditions of one parent families as it is in the two-parent families . |
| 30 | Studies have shown that most products pass through a series of stages — their life-cycle — from the time they are introduced until the time they are withdrawn . |