TY - RPRT TI - Opioid mortality following implementation of medical marijuana programs (1999-2017) in the United States AU - Kaufman, D. E. AU - Nihal, A. M. AU - Leppo, J. D. AU - Staples, K. M. AU - McCall, K. L. AU - PIPER, B. J. PY - 2019 DO - 10.1101/670059 UR - https://www.biorxiv.org/content/10.1101/670059v1 ID - 10.1101/670059 ER -