Quantitative analysis of Δ8- and Δ9-tetrahydrocannabinol metabolites and isomers: a rapid assay in urine by LC-MS/MS. - Ballotari M; Truver MT; Sojin NA; Agliano LA; Parimoo R; Hoyer JL; Goodin AJ; Varma DS; Chronister CW; Roussos-Ross K; Goldberger BA (Analytical and bioanalytical chemistry, 2025)