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Total quality in laboratory medicine should be defined as the guarantee that each activity throughout the total testing process is correctly performed, providing valuable medical decision-making and effective patient care. In the past decades, a 10-fold reduction in the analytical error rate has been achieved thanks to improvements in both reliability and(More)
We studied the status of copper and zinc in rheumatoid arthritis (RA). The aims of the work were to ascertain whether or not RA is associated with copper and/or zinc deficiency, to establish the relationship between these trace metals and the main biohumoral and clinical indices of the disease, and to examine the effect on copper and zinc of the drugs(More)
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