Laurie left the toxicology lab and went to her office.

Instead she went down to the toxicology lab to find Peter Letterman.

Laurie went to the fourth floor and the toxicology lab.

Assuming that had to be the toxicology lab, they headed straight for it.

I think we should try one last time with our friends at the toxicology lab and their magic spectrophotometer.

When planned in the early part of the decade, the toxicology lab was designed for four chemists.

What's used to separate all the compounds in a toxicology lab is an instrument called a gas chromatograph.

Taking the stairs, she descended a floor and walked into the toxicology lab.

Getting off on the fourth floor, Laurie cautiously peered into the toxicology lab.

Some toxicology labs still continue to use a cutoff level of 300 ng/mL.