Example sentences of "it [verb] been report [det] [noun] " in BNC.
Next page| No | Sentence |
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| 1 | It has been reported that serum cholesterol values are similar in samples from fasting and non-fasting subjects . |
| 2 | In this context , it has been reported that over-expression of EGF in gastric mucosa is , by itself , unlikely to cause transformation without the simultaneous overproduction of the EGF receptor . |
| 3 | In the same way , it has been reported that transformation of S.pombe cells with a linear plasmid bearing Tetrahymena telomeric sequences gives rise to only a very small fraction of transformants containing a plasmid with the correct structure ( 7 ) . |
| 4 | SIR , — It has been reported that HIV-1 antibodies can be detected , with a high degree of sensitivity and specificity , in saliva and in oral mucosal transudate ( OMT ) from HIV-1-infected patients . |
| 5 | It has been reported that blood group O and non-secretor status are associated with duodenal ulcer , however , the magnitude of the association was very weak . |