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This catalogue shows some examples of his sketches and drawings together with the finished engravings . For ethical reasons , none of the 89 boys enrolled in the study was given a placebo.Of the boys that were tracked , by 2002 only 24 % developed irregularities that magnetic resonance imaging of the brain could pick up . R. Gingras outlined possible new structures for Area F , based on the following recommendations : For Early Childhood Education , The Area F Committee initially suggested 6 hours of science , 6 of math , and 6 of pre-education courses . " Conference fee is US $ 1,500 per person for the six days of action-packed programs , hotel accommodations in Hawaii ( 2 registrants per double room ) in a first-class resort , plus three delicious meals daily ( vegetarian fare available ) . Only two of the plants met the Indian standard value for arsenic levels , which is five times higher than that of the WHO , and 80 % of the local villagers tested had abnormal levels of arsenic in their urine .