Lance C Presley

Oral Fluid Testing for Drugs of Abuse: Positive Prevalence Rates by Intercept  Immunoassay Screening and GC-MS-MS Confirmation and Suggested Cutoff Concentrations

E. J. Cone, Lance C Presley, Michael Lehrer et al. · Journal of Analytical Toxicology · 2002 · 112 citations

Substance Use, Drug Policy, Drug Screening +23

Detection of THCA in Oral Fluid by GC-MS-MS

David A. Day, D Kuntz, M. Feldman et al. · Journal of Analytical Toxicology · 2006 · 54 citations · Full text

Simultaneous identification and quantitation of codeine, morphine, hydrocodone, and hydromorphone in urine as trimethylsilyl and oxime derivatives by gas chromatography–mass spectrometry

Larry A. Broussard, Lance C Presley, Thomas Sidney Pittman et al. · Clinical Chemistry · 1997 · 53 citations · Full text

Pharmaceutical Science, Ion Monitoring, Medicinal Chemistry +20

High prevalence of 6-acetylmorphine in morphine-positive oral fluid specimens

Lance C Presley, Michael Lehrer, William Seiter et al. · Forensic Science International · 2003 · 39 citations

Opioid Epidemic, Substance Abuse, Substance Use +7

Two Traffic Fatalities Related to the Use of Difluoroethane

Larry A. Broussard, T Brustowicz, T.A. Pittman et al. · Journal of Forensic Sciences · 1997 · 29 citations