Effects of fluid load on human urine characteristics related to workplace drug testing

Arvind K. Chaturvedi, Jim L. Sershon, Kristi J. Craft, Patrick S. Cardona, John W. Soper, Dennis V. Canfield, Kurt M. Dubowski, James E. Whinnery, Misti J. Leyva, Christopher E. Aston, Steve M. Blevins, Jonelle E. Wright, Albert D. Fraser, David J. Kuntz