1. Prevalence of chronic pain and related risk factors in military veterans: A systematic review;Van Den Kerkhof;JBI Evidence Synthesis,2014
2. Pain management. VHA directive 2009-053,2009
3. The VHA’s national pain management strategy: implementing the stepped care model;Rosenberger;Fed Pract,2011
4. Advancing the pain agenda in the veteran population;Gallagher;Anesthesiol Clin,2016
5. Chronic pain: overlap and specificity in multimorbidity management;Bruggink;Aust J Gen Pract,2019