APA

Churley M., Robandt P. V., Kuhnle J. A., Lyons T. P. & Bruins M. R. (20030310). Extraction of amphetamine and methamphetamine from urine specimens with Cerex Polycrom Clin II solid-phase extraction columns and the Speedisk 48 Pressure Processor. : Journal of analytical toxicology.

Chicago

Churley Melissa, Robandt Paul V, Kuhnle Judith A, Lyons Timothy P and Bruins Mark R. 20030310. Extraction of amphetamine and methamphetamine from urine specimens with Cerex Polycrom Clin II solid-phase extraction columns and the Speedisk 48 Pressure Processor. : Journal of analytical toxicology.

Harvard

Churley M., Robandt P. V., Kuhnle J. A., Lyons T. P. and Bruins M. R. (20030310). Extraction of amphetamine and methamphetamine from urine specimens with Cerex Polycrom Clin II solid-phase extraction columns and the Speedisk 48 Pressure Processor. : Journal of analytical toxicology.

MLA

Churley Melissa, Robandt Paul V, Kuhnle Judith A, Lyons Timothy P and Bruins Mark R. Extraction of amphetamine and methamphetamine from urine specimens with Cerex Polycrom Clin II solid-phase extraction columns and the Speedisk 48 Pressure Processor. : Journal of analytical toxicology. 20030310.