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1927 Cedar Rapids (Iowa) Tribune 26 Aug. 1/2 (heading) Gas and oil industries bring new cancer risk, research workers find.

1974 Times 20 Sept. 3/7 There seems little doubt that this link between regular use of reserpine and an increased cancer risk is genuine.

2002 Independent 20 Apr. i. 9/1 The independent Advisory Committee on Pesticides (ACP) said it could not rule out a cancer risk from a chemical called dichlorvos which all the products contain.