To estimate pesticide exposure, urine samples are often needed to analyze pesticide metabolites. However, this is difficult for children wearing diapers because simple and feasible techniques suitable ...

Once the litter box is in the bag, tie the drawstrings, leaving a gap so air can escape as you pat it down. The bag should be ...

SIOUX FALLS --- Falls Police in South Dakota are collecting urine samples from uncooperative suspects through the use of force and catheters, a procedure endorsed by the state's top prosecutor but ...