Example sentences of "been used in [adj] study " in BNC.

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1 This definition has been used in other studies .
2 Vitrinite reflectance data have been used in structural studies with the principal applications being the estimate of removed overburden at unconformities and the recognition of repeated section caused by faults ( Dow , 1977 ) .
3 The counting of published papers is a crude method of measuring the productivity of research workers , but it has been used in some studies , such as that carried out by Vlachy 232 .
4 The ideal osmotic control for ethanol is distilled water and not hypertonic glucose or saline as has been used in some studies .
5 One type of ‘ natural ’ matching has been used in some studies of identical ( I ) ( about 1 in 5 ) and non-identical ( N ) twins .
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