1.   Also, living fungi and bacteria have been discovered growing inside the fibers said, and this could also have contaminated the sample.

2.   Apparently the older testing methods contaminated the samples.

3.   Defense attorneys have indicated, for example, that the certain labs may have had a problem contaminating blood samples -- a problem that could skew test results.

4.   Still, prosecutors refused to reopen the case, saying the DNA samples were contaminated.

5.   But Modahl maintained the urine samples had been contaminated at the laboratory in Lisbon and that testing procedures were flawed.

6.   California Department of Justice scientist Gary Sims, questioned by attorney Barry Scheck, acknowledged that foliage can contaminate blood samples.

7.   FINA later reported that the sample was contaminated with large amounts of alcohol, apparently whiskey.

8.   FINA said the sample was contaminated with large amounts of alcohol, probably whiskey.

9.   She protested her innocence and insisted her urine samples had been contaminated by flawed procedures at the Lisbon lab.

10.   She protested that the urine samples had been contaminated in Lisbon and that the testing procedures were flawed.

v. + sample >>共 368
take 20.05%
collect 7.16%
send 7.12%
test 5.43%
analyze 3.17%
give 3.08%
use 2.69%
provide 2.65%
obtain 2.00%
examine 1.26%
contaminate 0.65%
contaminate + n. >>共 265
water 9.91%
food 4.64%
evidence 3.10%
area 2.94%
meat 2.48%
sample 2.32%
well 2.17%
soil 2.01%
product 2.01%
fish 1.70%
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