There are multiple definitions:

1. continuous positive airway pressure or intubation at birth(English)

   • CPAP
   • Respiratory system

2. Community Opioid Innovation Network(English)

   • a major driver of the U.S. opioid crisis is limited access to effective medications for opioid use disorder that reduce overdose risks
   • MOUD, NTX, OIC, OUD, BUP, FDA, JCOIN
   • Addiction and health, Organizations (documentation)
   • https://doi.org…sat.2021.108275