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Stability of phencyclidine and amphetamines in urine specimens.

B. Levine, M. Smith, A. Hughes, 1991, Clinical chemistry.

MDA-MDMA concentrations in urine specimens.

B. Levine, M. Smith, J. Kuhlman, 1996, Journal of analytical toxicology.

Detection of amphetamine and methamphetamine in urine by gas chromatography/mass spectrometry following derivatization with (-)-menthyl chloroformate.

W. Bronner, M. Smith, R. Hughes, 1991, Journal of analytical toxicology.

Forensic drug testing for opiates. VI. Urine testing for hydromorphone, hydrocodone, oxymorphone, and oxycodone with commercial opiate immunoassays and gas chromatography-mass spectrometry.

E. Cone, B. Levine, M. Smith, 1995, Journal of analytical toxicology.

Variation in Formaldehyde Fixation in Routine Histopathology Laboratories

Todd A. Abler, C. Fox, F. B. Johnson, 1983 .