Medicare and Medicaid Anti-Fraud and Abuse Law: the need for legislative change.
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Biomedical subjects
Publications and source records attributed to C M Adams.
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The management of patients with malignant melanoma is somewhat controversial. The most important prognostic factor is depth of invasion. Criteria by both Clark and Breslow are of value. Therapy must not be "standardized," but individualized for each patient.
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In a double-blind 13 week study the effects of Gemfibrozil were compared with placebo. Gemfibrozil was given to 10 patients with evidence of severe atherosclerosis; four similar patients acted as controls. As expected, in the treated group, total cholesterol and triglycerides decreased significantly and HDL cholesterol increased. The Fibrinogen did not change although the ESR increased markedly and the heparin neutralizing activity (HNA) of the plasma decreased (p = 0.01). The antithrombic activity increased. The change in the HNA correlated weakly to the total cholesterol both before and during treatment. These findings show that some of the effects of Gemfibrozil on atherosclerotic humans are similar to those of Clofibrate but others are different.
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Spline generated surface Laplacian temporal wave forms are presented as a method to improve both spatial and temporal resolution of evoked EEG responses. Middle latency and the N1 components of the auditory evoked response were used to compare potential-based methods with surface Laplacian methods in the time domain. Results indicate that surface Laplacians provide better estimates of underlying cortical activity than do potential wave forms. Spatial discrimination among electrode sites was markedly better with surface Laplacian than with potential wave forms. Differences in the number and latencies of peaks, and their topographic distributions, were observed for surface Laplacian, particularly during the time period encompassing the middle latency responses. Focal activities were observed in surface Laplacian wave forms and topographic maps which were in agreement with previous findings from auditory evoked response studies. Methodological issues surrounding the application of spline methods to the time domain are also discussed. Surface Laplacian methods in the time domain appear to provide an improved way for studying evoked EEG responses by increasing temporal and spatial resolution of component characteristics.
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