Example sentences of "to confirm or refute " in BNC.

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1 A lack of easy access to informed consultations ; the novelty and nature of the problem itself ; the uneasy relationship between priority cases and other workload service commitments ; and the lack of clear cut evidence to confirm or refute allegations all contributed .
2 The technique can also be used to confirm or refute current theories .
3 If you have access to such an instrument and you suspect Hexamita infection , then careful examination of your specimen should provide the evidence you require to confirm or refute your suspicions .
4 After a positive test result the family practitioner and health visitor are contacted when the baby is about six weeks old to develop a social profile of the family and decide how best to approach them to offer a venous blood test to confirm or refute the screening test .
5 This study can not provide data to confirm or refute this hypothesis , however .
6 Analysts said the statement was phrased in a way that made it difficult to confirm or refute .
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