Correction
==========


A news article on painkiller guidelines 1 stated that oxycodone is “twice as addictive as morphine,” after several interviewees expressed that personal belief. However, that belief does not appear to be backed up by any research studies. The *CMAJ* apologizes for the error.

## REFERENCE

1.  1. Silversides A. Regulatory colleges to set painkiller guidelines. *CMAJ* 2009;181:464–65.