This may be done on either a blood or urine sample.

This test can also be done on a urine sample.

However, he tried again, taking a friend's urine sample with him and this time passed the physical.

Inside, he said, open urine samples were on a table.

It means that anyone can get into the urine samples and do whatever they want.

The urine samples will grow to almost 200 a day.

The p53 test, in contrast, is done from a single urine sample.

But I think we may have some luck with the urine sample.

Test a urine sample to see if you have an infection.

People ask if he can work weekends and in some cases provide a urine sample.