Chronic pain, cannabis legalisation, and cannabis use disorder among patients in the US Veterans Health Administration system, 2005 to 2019: a repeated, cross-sectional study. - Hasin DS; Wall MM; Alschuler DM; Mannes ZL; Malte C; Olfson M; Keyes KM; Gradus JL; Cerdá M; Maynard CC; Keyhani S; Martins SS; et al. (The lancet. Psychiatry, 2023)