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" The rise in screening among women with no health care source is especially significant , said NCI 's Nancy Breen , Ph.D ., because it suggests government and voluntary public health organizations are succeeding in their goal of encouraging women to have mammograms . Identification of organisms in a suspected food is helpful but not diagnostic because botulinum spores are ubiquitous ; the presence of toxin in a suspected contaminated food source is more significant . According to EPA studies , 40 to 50 percent of major water pollution sources are in significant non-compliance with the Clean Water Act. " Quite frankly , we're not seeing evidence that Linux or open source is making significant traction in the corporate desktop market , " says Alan Yates , Microsoft 's senior director of business strategy.The company 's actions , however , bespeak a much higher level of concern : it has begun slashing prices and even mimicking the open-source movement 's own tactics , opening up portions of its closely guarded code to outside inspection.In Thailand , for example , where Linux PCs from Thai firm Laser Computer are the top-selling brand , Microsoft last year created stripped-down , Thai-language versions of Windows XP Home Edition and Office XP and offered them as a bundle for about $ 37 - - about one-sixteenth of their combined U.S. retail price . In addition , the interaction of pedestrian location and glare source was also significant .