And that is why the urine samples are divided in two, the A sample and the B sample.
But she had been entrusted with the best DNA sample and the most sophisticated fine-focus cameras.
Still, the large sample and the finding of a dose-response relationship between stricter adherence to the diet and lowered risk of diabetes give the study strength.
Unfortunately, more detailed tests were prohibited by both the age of the sample and the status of the sofa as an historic artifact.
Analyses of the anthrax sample and the chemicals used to coat it could leave telltale clues to the techniques and equipment used to manufacture the germ material.
What is not yet clear is whether that urine sample and the sample seized in the 2004 raid are the same one.
You send off your blood sample and the answer comes back, "Well, you didn't have x, but we found traces of y.
Traces of testosterone were found in the 34-year-old's urine sample and the test showed the testosterone was administered and that the hormone was not naturally occurring.
Everyone remembers the garbage bag-like puffer costume of The Rain, but they also remember the flawless Ann Peebles sample and the stark, hypnotic beat.
Each drug test involves a urine sample that is split into two parts, known as the A sample and the B sample.
In the case of marrow, a potential volunteer donor provides a blood sample, and the tissue type is kept on file for matching purposes.
