As demand for the asst-backed securities that SIVs buy has evaporated, some have had to sell holdings at fire-sale prices to repay investors.
由于SIV购买的资产担保证券的需求已不复存在，某些SIV不得不廉价出售财产，偿付投资者。
Results:The results showed that ASST was positive in9out of30CIU cases and positive rate was30%, but all negative in controls.
结果：30例CIU患者自体血清皮肤试验阳性率为30%（9/30），而对照组全部阴性。
Methods: We took autologous serum skin test (ASST) of 135 cases of urticaria, 79 cases of eczema patients and 20 healthy people tested.
方法：采用自体血清皮肤试验(ASST)对135例荨麻疹患者、79例湿疹患者及20例健康者进行检测。
Methods: We took autologous serum skin test (ASST) of 135 cases of urticaria, 79 cases of eczema patients and 20 healthy people tested.
方法：采用自体血清皮肤试验(ASST)对135例荨麻疹患者、79例湿疹患者及20例健康者进行检测。
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