Conference ProceedingsPrevalence of Tetrahydrocannabinol in Oral Fluid Collected From Drivers in CaliforniaPresenting section:Toxicology2013Moore, Christine, Ontario CA; Coulter, Cynthia, Pomona CA; Johnson, Mark, Calverton MD; Lacey, John, Calverton MD; Kelley-Baker, Tara, Calverton MDView the paperToxicology