Because only 3 of the 13 cases were sampled, others didn't receive sample laboratory test in etiologic diagnose.

由于死亡的13例病儿中仅有3例采了样，其余病例均未能采集到相关标本进行实验室病原学检测。

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A laboratory technician performs the required test on the sample and prepares the test results.

实验室技术人员对样本进行必要的测试并准备测试结果。

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The sample is then examined under a microscope in a laboratory to check for signs of amyloid.

这个样本会送往实验室在显微镜下检查是否有淀粉样蛋白沉积。

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It can take up to four working days to test a single sample at a laboratory.

BBC: Wales

Laurenzi said the testing policy requires collectors to take samples to their homes until FedEx can immediately send the sample to the laboratory.

CNN: Ryan Braun's sample collector defends test process

The collector did not send the sample to the laboratory until Monday, thinking it would be more secure at home than at a Federal Express office during the weekend.

WSJ: MLB: Ryan Braun's 50-Game Suspension Overturned - Milwaukee Brewers