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This paper describes adder and multiplier circuits operating directly on first-order multi-level and second-order binary sigma-delta modulated signals. We first show that binary sorting networks with delayed feedback loops can be used as discrete variable digital sigma-delta modulators. We then build the adders based on the sorting networks. The circuit design scheme for the adder is independent of...
Invasive aspergillosis is an important factor in the morbidity and mortality of patients suffering from hematologic disorders treated with chemotherapy. Treatment with amphotericin B is often limited because of toxicity, particularly nephrotoxicity. We describe a case of invasive pulmonary Aspergillus fumigatus infection in acute myeloid leukemia with renal failure due to amphotericin B therapy, which...
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