Fig. 1From: How an emergency department is organized to provide opioid-specific harm reduction and facilitators and barriers to harm reduction implementation: a systems perspectiveAdapted from Evidence Scan: Complex Adaptive Systems by The Health Foundation [55], from https://www.health.org.uk/sites/default/files/ComplexAdaptiveSystems.pdf. Copyright 2010 by The Health FoundationSimple Representation of the Components of a CAS. Note.Back to article page