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Circular has carefully eliminated all of the original materials that Twin Cities includes in each of its published volumes other than the cases , such as the Tables of Cases , Tables of Authorities Cited , and various Indices , as well as the brief abstracts of the major points of each case broken down into a highly refined subject matter categorization system that accompanies each of the cases in the Twin Cities volumes . The strategy would require students to own their own computers , but UB will be sensitive to the affordability issue , he said , noting that some universities , such as California State University at Sonoma , provide a number of options to aid students in purchasing their units . Some patients , such as Sean , are n't responsive to medications , leaving surgery as their only course of treatment . Some substances , such as mercury and Freon , cannot be disposed of this way . Remember that extremities , such as the nose , ears , hands and feet , need extra attention during winter 's cold .