RT Article T1 Monitoring the Crack Epidemic Through Urine Testing Establishment of Routine Detection Methods A1 Riley, Kevin Jack 1964- A2 Taylor, Bruce G. A2 Fortner, Neil A2 Lo, Peter A2 Meeker, James E. A2 Lu, Natalie T. LA English YR 2001 UL https://krimdok.uni-tuebingen.de/Record/1912624702 NO 0001-6996 DO 10.1080/13556210020020148