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" The consequence of the 1999 elections was a lack of serious discussion about issues across ideological lines , discussion that had the serious intention of understanding the other side and coming up with a solution . Thus , in the available observational case-control studies that evaluated a possible relationship between vitamin E and cervical cancer , it was not possible to attribute any effects to vitamin E per se , in those studies that suggested such effects , or to accurately estimate vitamin E intakes . Regardless of the number of rampages and occurrences of arson of vehicles and businesses in various cities around Europe , most of the primary and peripheral factors that instigated the riots were treated with indifference throughout the continent . Rep. Ralph Regula ( R-OH ) expressed frustration that he had been part of a group of legislators that had to fight for the USGS budget just a few years ago . These three empires formed an Islamic block that stretched from the eastern Mediterranean to Central Asia . The single case control study ( Riboli et al ., 1991 ) that suggested an association between vitamin E intake and reduced bladder cancer risk was the least persuasive evidence available , and also had design limitations resulting in questionable results . Results from the retrospective case-control studies were mixed and , as noted above , some of the case-control studies that suggested an effect had serious limitations that adversely affected the reliability of their results . Lone Star State in a week that had included heavy rains and flooding elsewhere . Before heading home for the holidays , Congress passed a flurry of bills that had been held up by the budget debate , including H.R. 1528 , the National Geologic Mapping Reauthorization Act of 1999 , which now awaits the President 's signature . Realizing that they no longer had the advantage of surprise , the Confederate force retreated down the Weston and Gauley Bridge Pike that had been constructed in 1851-1852 . The two retrospective case control studies were mixed , and the one such study that suggested a relationship ( Zatonski et al ., 1991 ) had design limitations that produced questionable results The agency finds that there is an insufficient body of sound , relevant scientific evidence to support even a qualified claim about a relationship between supplemental vitamin C and reduced risk of pancreatic cancer in the general population .