Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Review or Overview | Reason for exclusion |
| Cooper 2017 | Opioids studied but not at high doses specifically |
| Eccleston 2017 | Opioids studied but not at high doses specifically |
| Els 2017a | Opioids studied but not at high doses specifically |
| Els 2017b | Previous version of this overview |
| McNicol 2017 | Opioids studied but not at high doses specifically |
| Thorpe 2018 | Opioids studied but not at high doses specifically |
