Example sentences of "[det] [noun pl] have been show [prep] " in BNC.
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1 | Vitamins A , E , and C are potent antioxidants and the serum concentrations of these antioxidants have been shown to inversely correlate with the risk of developing colorectal cancer . |
2 | These tests have been shown to be reliable in detecting H pylori infection in patients with and without renal failure . |
3 | Both these denials had been shown to be false . |
4 | These drugs have been shown to be effective against all stages of lungworms with a consequent amelioration of clinical signs . |
5 | Some of these agents have been shown to be more effective than aspirin and/or heparin for the prevention of arterial thrombosis , for the acceleration of arterial recanalisation , and for the prevention of early and delayed reocclusion after reflow . |
6 | Both factors have been shown by several groups to be associated with changes in biliary bile acid composition . |