Research
Influence of opioid prescribing standards on health outcomes among patients with long-term opioid use: a longitudinal cohort study
Richard L. Morrow, Ken Bassett, James M. Wright, Greg Carney and Colin R. Dormuth
December 18, 2020 8 (4) E869-E876; DOI: https://doi.org/10.9778/cmajo.20190228