The hair samples revealed drug use 52 times more often than the teens admitted.

On average, these laboratories measure 26 elements per hair sample.

Taras told me they asked him for a hair sample today.

There should be hair samples around that can give us a match.

In addition, the police said they took hair samples from a pool table and a bathroom.

Instead of saving a hair sample for an impossible hope, we have adopted.

They find nothing immediately wrong with her brain, but Walter takes some hair samples for testing.

Later in 2009, Gates made another investigation during which he discovered hair samples.

Please have your people take hair samples from every patient who's come by the medical suite in the last two weeks.

Bacard would be able to get hair samples, for example.