Pharmacodynamic effects of vaporized and oral cannabidiol (CBD) and vaporized CBD-dominant cannabis in infrequent cannabis users
Spindle, Tory R., Cone, Edward J., Goffi, Elia, Weerts, Elise M., Mitchell, John M., Winecker, Ruth E., Bigelow, George E., Flegel, Ronald R., Vandrey, Ryan
Published in Drug and alcohol dependence (01.06.2020)
Published in Drug and alcohol dependence (01.06.2020)
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Δ9-tetrahydrocannabinol and 11-hydroxy-Δ9-tetrahydrocannabinol as markers of cannabis use in urinary drug testing
Vikingsson, Svante, Winecker, Ruth E, Cone, Edward J, Kuntz, David J, Hayes, Eugene D, Flegel, Ronald R, Davis, Lisa S
Published in Journal of analytical toxicology (13.08.2024)
Published in Journal of analytical toxicology (13.08.2024)
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Conversion of water-soluble CBD to Δ9-THC in synthetic gastric fluid - an unlikely cause of positive drug tests
Hart, E Dale, Mullen, Lawrance, Vikingsson, Svante, Cone, J Edward, Winecker, E Ruth, Hayes, D Eugene, Flegel, Ronald R
Published in Journal of analytical toxicology (15.09.2023)
Published in Journal of analytical toxicology (15.09.2023)
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Prevalence of ∆8-tetrahydrocannabinol carboxylic acid in workplace drug testing
Vikingsson, Svante, Hart, E. Dale, Winecker, Ruth E, Cone, Edward J, Kuntz, David J, Clark, Michael, Jacques, Martin, Hayes, Eugene D, Flegel, Ronald R
Published in Journal of analytical toxicology (01.11.2023)
Published in Journal of analytical toxicology (01.11.2023)
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Pharmacokinetics and pharmacodynamics of five distinct commercially available hemp-derived topical cannabidiol products
Zamarripa, C Austin, Tilton, Hayleigh E, Lin, Spencer, Cone, Edward J, Winecker, Ruth E, Flegel, Ronald R, Kuntz, David, Beals, Melissa, Jacques, Martin, Clark, Michael, Welsh, Eric R, Wagner, Lynn, Bonn-Miller, Marcel O, Vandrey, Ryan, Spindle, Tory R
Published in Journal of analytical toxicology (01.03.2024)
Published in Journal of analytical toxicology (01.03.2024)
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Fentanyl as a marker of illicit drug use in morphine-positive urine specimens from workplace drug testing
Vikingsson, Svante, Winecker, Ruth E, Kuntz, David J, Clark, Michael, Jacques, Martin, Hart, E Dale, Hayes, Eugene D, Flegel, Ronald R, Davis, Lisa S
Published in Journal of analytical toxicology (28.03.2024)
Published in Journal of analytical toxicology (28.03.2024)
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Performance of Hair Testing for Cocaine Use—Comparison of Five Laboratories Using Blind Reference Specimens
Hart, E Dale, Vikingsson, Svante, Winecker, Ruth E, Evans, Amy L, Cone, Edward J, Mitchell, John M, Hayes, Eugene D, Flegel, Ronald R
Published in Journal of analytical toxicology (21.03.2023)
Published in Journal of analytical toxicology (21.03.2023)
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Cannabinoid Content and Label Accuracy of Hemp-Derived Topical Products Available Online and at National Retail Stores
Spindle, Tory R., Sholler, Dennis J., Cone, Edward J., Murphy, Timothy P., ElSohly, Mahmoud, Winecker, Ruth E., Flegel, Ronald R., Bonn-Miller, Marcel O., Vandrey, Ryan
Published in JAMA network open (20.07.2022)
Published in JAMA network open (20.07.2022)
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Cannabinoid Content and Label Accuracy of Various Hemp-Derived Haircare, Cosmetic, and Edible Products Available at Retail Stores and Online in the United States
Dowd, Ashley N, Zamarripa, C Austin, Sholler, Dennis J, Cone, Edward J, Murphy, Timothy P, ElSohly, Mahmoud, ElSohly, Kareem, Gul, Waseem, Shahzadi, Iram, Mullen, Lawrance D, Winecker, Ruth E, Flegel, Ronald R, Vandrey, Ryan, Spindle, Tory R
Published in Cannabis and cannabinoid research (19.07.2024)
Published in Cannabis and cannabinoid research (19.07.2024)
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Prescription Opioids. I. Metabolism and Excretion Patterns of Oxycodone in Urine Following Controlled Single Dose Administration
Cone, Edward J., Heltsley, Rebecca, Black, David L., Mitchell, John M., LoDico, Charles P., Flegel, Ronald R.
Published in Journal of analytical toxicology (01.06.2013)
Published in Journal of analytical toxicology (01.06.2013)
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Journal Article
Prescription opioids. II. Metabolism and excretion patterns of hydrocodone in urine following controlled single-dose administration
Cone, Edward J, Heltsley, Rebecca, Black, David L, Mitchell, John M, Lodico, Charles P, Flegel, Ronald R
Published in Journal of analytical toxicology (01.10.2013)
Published in Journal of analytical toxicology (01.10.2013)
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Journal Article
Conversion of water-soluble CBD to ∆9-THC in synthetic gastric fluid—An unlikely cause of positive drug tests
Hart, E. Dale, Mullen, Lawrance, Vikingsson, Svante, Cone, Edward J, Winecker, Ruth E, Hayes, Eugene D, Flegel, Ronald R
Published in Journal of analytical toxicology (15.09.2023)
Published in Journal of analytical toxicology (15.09.2023)
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Journal Article
Prevalence of Cannabidiol, ∆9- and ∆8-Tetrahydrocannabinol and Metabolites in Workplace Drug Testing Urine Specimens
Vikingsson, Svante, Winecker, Ruth E, Cone, Edward J, Kuntz, David J, Dorsey, Brian, Jacques, Martin, Senter, Melanie, Flegel, Ronald R, Hayes, Eugene D
Published in Journal of analytical toxicology (14.10.2022)
Published in Journal of analytical toxicology (14.10.2022)
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Urinary Pharmacokinetic Profile of Cannabidiol (CBD), Δ9-Tetrahydrocannabinol (THC) and Their Metabolites following Oral and Vaporized CBD and Vaporized CBD-Dominant Cannabis Administration
Sholler, Dennis J, Spindle, Tory R, Cone, Edward J, Goffi, Elia, Kuntz, David, Mitchell, John M, Winecker, Ruth E, Bigelow, George E, Flegel, Ronald R, Vandrey, Ryan
Published in Journal of analytical toxicology (20.05.2022)
Published in Journal of analytical toxicology (20.05.2022)
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Journal Article
Prevalence of Cannabidiol, Δ9- and Δ8-Tetrahydrocannabinol and Metabolites in Workplace Drug Testing Urine Specimens
Vikingsson, Svante, Winecker, Ruth E, Cone, Edward J, Kuntz, David J, Dorsey, Brian, Jacques, Martin, Senter, Melanie, Flegel, Ronald R, Hayes, Eugene D
Published in Journal of analytical toxicology (09.03.2022)
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Published in Journal of analytical toxicology (09.03.2022)
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Evaluation of the 20% D-Methamphetamine Requirement for Determining Illicit Use of Methamphetamine in Urine: SOCIETY OF FORENSIC TOXICOLOGISTS, INC
ESPOSITO, Francis M, CRUMPTON, Susan, MITCHELL, John, FLEGEL, Ronald R
Published in Journal of analytical toxicology (2012)
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Published in Journal of analytical toxicology (2012)
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