Your test results will show your free testosterone levels, measured in picograms per milliliter (pg / ml), with 97 % accuracy *. (healthtestexpress.com)
The rodents were then scanned with the Rice lab's custom - built optical device to detect the faint emission signatures of as little as 100 picograms of nanotubes. (sciencedaily.com)
The mean ± SEM peak increment over basal rate in serum gastrin in picograms per milliliter was 84.8 ± 4.4 to decaffeinated coffee and 44.8 ± 2.1 to peptone. (jamanetwork.com)