![Effect of cannabis use in people with chronic non-cancer pain prescribed opioids: findings from a 4-year prospective cohort study]()
Effect of cannabis use in people with chronic non-cancer pain prescribed opioids: findings from a 4-year prospective cohort studyCampbell, Gabrielle; Hall, Wayne D; Peacock, Amy; Lintzeris, Nicholas; Bruno, Raimondo; Larance, Briony; Nielsen, Suzanne; Cohen, Milton; Chan, Gary; Mattick, Richard P; Blyth, Fiona; Shanahan, Marian; Dobbins, Timothy; Farrell, Michael; Degenhardt, Louisa · The Lancet Public Health · 2018