Trends in Cannabis-positive Urine Toxicology Test Results: US Veterans Health Administration Emergency Department Patients, 2008 to 2019. - Fink DS; Malte C; Cerdá M; Mannes ZL; Livne O; Martins SS; Keyhani S; Olfson M; McDowell Y; Gradus JL; Wall MM; Sherman S; et al. (Journal of addiction medicine, 2023)