E. J. Cone

Differentiating New Marijuana Use From Residual Drug Excretion in Occasional Marijuana Users

Marilyn A. Huestis, E. J. Cone · Journal of Analytical Toxicology · 1998 · 159 citations · Full text

Cannabis Use, Substance Abuse, Drug Analysis +14

Acute and residual effects of marijuana: Profiles of plasma THC levels, physiological, subjective, and performance measures

Stephen J. Heishman, Marilyn A. Huestis, Jack E. Henningfield et al. · Pharmacology Biochemistry and Behavior · 1990 · 138 citations

Cannabis Use, Substance Abuse, Substance Use +10

Passive Cannabis Smoke Exposure and Oral Fluid Testing. II. Two Studies of Extreme Cannabis Smoke Exposure in a Motor Vehicle

R. Sam Niedbala, Keith Kardos, Dean Fritch et al. · Journal of Analytical Toxicology · 2005 · 99 citations · Full text

Cannabis Use, Tobacco Control, Substance Abuse +15

Passive Inhalation of Marijuana Smoke: Urinalysis and Room Air Levels of Delta-9-Tetrahydrocannabinol

E. J. Cone, R. E. Johnson, W. D. Darwin et al. · Journal of Analytical Toxicology · 1987 · 99 citations

Monitoring Opiate Use in Substance Abuse Treatment Patients With Sweat and Urine Drug Testing

Marilyn A. Huestis, E. J. Cone, Conrad J. Wong et al. · Journal of Analytical Toxicology · 2000 · 94 citations · Full text

Substance Use, Gc-ms Results, Urine Test +22