Fig. 1From: Design of a randomized controlled trial of extended-release naltrexone versus daily buprenorphine-naloxone for opioid dependence in Norway (NTX-SBX)SPIRIT Flowchart of Study Events for the study’Optimal Prevention of Overdose Deaths and Opioid Relapse Following Discharge: A Multi-Center RCT of Naltrexone versus Buprenorphine in Norway’Back to article page