Correction: Influence of opioid prescribing standards on health outcomes among patients with long-term opioid use: a longitudinal cohort study
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In an article published Dec. 18, 2020,1 the DOI was incorrectly listed as 10.9778/cmajo.20200228. It should have been 10.9778/cmajo.20190228.

The article has been corrected at [cmajopen.ca](http://cmajopen.ca).

## Reference

1.  Morrow RL, Bassett K, Wright JM, et al. (2020) Influence of opioid prescribing standards on health outcomes among patients with long-term opioid use: a longitudinal cohort study. CMAJ Open 8:E869–E876.
    
    [Abstract/FREE Full Text](http://www.cmajopen.ca/lookup/ijlink/YTozOntzOjQ6InBhdGgiO3M6MTQ6Ii9sb29rdXAvaWpsaW5rIjtzOjU6InF1ZXJ5IjthOjQ6e3M6ODoibGlua1R5cGUiO3M6NDoiQUJTVCI7czoxMToiam91cm5hbENvZGUiO3M6NToiY21ham8iO3M6NToicmVzaWQiO3M6ODoiOC80L0U4NjkiO3M6NDoiYXRvbSI7czoyMDoiL2NtYWpvLzkvNC9FOTI2LmF0b20iO31zOjg6ImZyYWdtZW50IjtzOjA6IiI7fQ==) 

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