组冠脉造影正常，双密达莫药物负荷试验阴性6例。
GC normal coronary artery and negative drug test in 6 cases.
茚三酮反应呈阴性，用酸水解后茚三酮反应和双缩脲反应呈阳性。
Its ninhydrin reaction was negative, but after acid hydrolysis, its ninhydrin reaction and biuret reaction were positive.
结果死亡病人脑组织的直接FA试验和双抗体夹心elisa检测为阴性，但RT - P CR检测结果为阳性。
It was demonstrated that the negative results in direct FA assay and the double antibody sandwich ELISA were found, but the result in RT-PCR was positive.
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