Example sentences of "have contributed to [adj] [noun] " in BNC.

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1 The introduction of compulsory seat belt wearing for rear seat passengers may also have contributed to this reduction .
2 According to the Association of Metropolitan Authorities there was a massive 37.5 per cent increase in rent arrears in the six months immediately following the benefit changes in April 1988.37 Other benefit changes may have contributed to this increase in arrears : the change from supplementary benefit to income support ; the insistence that everyone should be required to pay at least 20 per cent of their rates ( community charge ) and all of their water rates ; and the replacement of urgent needs payments by social fund loans .
3 It is uncertain to what extent British nuclear technology may have contributed to this process .
4 Farm shops may also have contributed to this decline in the local store .
5 The two men , who are hoping to make at least £2 million for the Multiple Sclerosis Society out of sponsorship , will also have contributed to important research into nutrition , diet and the effects of such extreme conditions on the human body .
6 The extent to which wild type 1 and 3 infections may have contributed to rapid increases in seroprevalences in OPV recipients between 4–6 weeks and 13–17 months after vaccination is uncertain , since clinical and virological surveillance for poliomyelitis was not done in Abidjan during the study .
7 Abnormal hormone secretion in active coeliac disease may have contributed to these changes .
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