RT Article T1 Drug screening: A comparison of urinalysis results from two independent laboratories JF Journal of drug issues VO 30 IS 1 SP 171 OP 185 A1 Riley, Kevin Jack 1964- A2 Taylor, Bruce G. A2 Lu, Natalie T. LA English YR 2000 UL https://krimdok.uni-tuebingen.de/Record/1912523256