Conference ProceedingsAn Evaluation of a Presumptive Screen in Urine as a Rapid Method of Determining Fentanyl-Related DeathsPresenting section:Toxicology2019Shapiro, Aaron M., Vancouver BC CANADA; Tu, Andrew, Burnaby BC CANADA; Moss, Michael, Kelowna BC CANADA; Baidwan, Jatinder, Burnaby BC CANADAView the paperToxicology