Pain Medicine · 2015 · 106 citations · 30 references
In this population of people taking opioids for CNCP, consumption of higher doses was associated with increased risk of problematic behaviors, and was more likely among people with a complex profile of physical and mental health problems.
30
Kurt Kroenke, Robert L. Spitzer, Janet B. W. Williams · Journal of General Internal Medicine · 2001 · 42K citations · Full text
A Brief Measure for Assessing Generalized Anxiety Disorder
Robert L. Spitzer, Kurt Kroenke, Janet B. W. Williams et al. · Archives of Internal Medicine · 2006 · 29.5K citations
Theo Vos, Abraham D Flaxman, Mohsen Naghavi et al. · The Lancet · 2012 · 8.3K citations · Full text
Survey of chronic pain in Europe: Prevalence, impact on daily life, and treatment
Harald Breivik, Vittorio Ventafridda, Rob Cohen et al. · European Journal of Pain · 2005 · 5.4K citations · Full text