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Reasons for the increased incidence of meningitis are not completely clear however studies suggest that outbreaks may occur because students live and work in close proximity to each other in dormitories and classrooms . Across all studies with a variety of strategies , the median reductions in systolic blood pressure ( SBP ) and diastolic blood pressure ( DBP ) were 4.5 mmHg ( interquartile range : 1.5 , 11.0 ) and 2.1 mmHg ( interquartile range : -0.2 , 5.0 ) , respectively . Data collected as part of the ACF River basin study are presented by project component : surface-water , ground-water , special studies , streamflow , ancillary , and quality assurance data . Epocrates studies have shown the technology can facilitate an increase in the rate of generic prescribing because of the convenience and speed at which it offers information on alternative drug therapies , cost comparisons and other key information . The studies with the photometer in dark-ground illumination , for example , were used to develop better means of detecting enemy aircraft by gunners . Ph.D. in communication studies with emphasis in rhetorical argumentation , and commitment to undergraduate teaching and liberal arts education . Many of the studies have used similar questions and have produced similar results . The Brain Imaging Center is now seeking FDA approval to use the new radiotracers in studies with human volunteers . In the remainder of this article , I elaborate upon some of the ethical issues that are inherent in all life history and ethnographic studies and describe how Anna and I approached them . All three groups will also participate in group counseling sessions because studies with adult smokers have indicated that smoking cessation programs that combine behavioral therapy with medications produce the highest abstinence rates .