Conference ProceedingsDoes Black Tar Heroin “Protect” King County, Washington, From Fentanyl-Related Mortality?Presenting section:Pathology/Biology2018Yarid, Nicole A., Seattle WA; Harruff, Richard C., Seattle WA; Orvik, Andrea, Johnson City TN; Blank, Janinne, Buffalo NY; Panicker, Sini, Dulles VAView the paperPathology/Biology