Efficacy and mechanisms of a single-session behavioral medicine class among patients with chronic pain taking prescription opioids: study protocol for a randomized controlled trial

[31] Helmick C(2010)Risk factors for drug dependence among out-patients on opioid therapy in a large US health-care system Addiction. 105 1776-949

[32] Carter-Pokras O(2011)Choosing the unit of measurement counts: the use of oral morphine equivalents in studies of opioid consumption is a useful addition to defined daily doses Palliat Med 25 725-601

[33] Dodick DW(2008)Extending the CONSORT Statement to randomized trials of nonpharmacologic treatment: explanation and elaboration Ann Intern Med 148 295-239

[34] Goulet J(2007)A randomized clinical trial of targeted cognitive behavioral treatment to reduce catastrophizing in chronic headache sufferers J Pain 8 938-294

[35] Boudreau D(2010)Attrition in cognitive-behavioral treatment of chronic back pain Clin J Pain 26 593-244

[36] Von Korff M(2007)Required sample size to detect the mediated effect Pyschol Sci 18 233-402

[37] Rutter CM(2000)Defining the clinically important difference in pain outcome measures Pain. 88 287-undefined

[38] Saunders K(2009)Interpreting the clinical importance of group differences in chronic pain clinical trials: IMMPACT recommendations Pain. 146 238-undefined

[39] Ray GT(2011)Identifying prescription opioid use disorder in primary care: diagnostic characteristics of the Current Opioid Misuse Measure (COMM) Pain. 152 397-undefined

[40] Sullivan MD(undefined)undefined undefined undefined undefined-undefined

[31] Helmick C(2010)Risk factors for drug dependence among out-patients on opioid therapy in a large US health-care system Addiction. 105 1776-949

[32] Carter-Pokras O(2011)Choosing the unit of measurement counts: the use of oral morphine equivalents in studies of opioid consumption is a useful addition to defined daily doses Palliat Med 25 725-601

[33] Dodick DW(2008)Extending the CONSORT Statement to randomized trials of nonpharmacologic treatment: explanation and elaboration Ann Intern Med 148 295-239

[34] Goulet J(2007)A randomized clinical trial of targeted cognitive behavioral treatment to reduce catastrophizing in chronic headache sufferers J Pain 8 938-294

[35] Boudreau D(2010)Attrition in cognitive-behavioral treatment of chronic back pain Clin J Pain 26 593-244

[36] Von Korff M(2007)Required sample size to detect the mediated effect Pyschol Sci 18 233-402

[37] Rutter CM(2000)Defining the clinically important difference in pain outcome measures Pain. 88 287-undefined

[38] Saunders K(2009)Interpreting the clinical importance of group differences in chronic pain clinical trials: IMMPACT recommendations Pain. 146 238-undefined

[39] Ray GT(2011)Identifying prescription opioid use disorder in primary care: diagnostic characteristics of the Current Opioid Misuse Measure (COMM) Pain. 152 397-undefined

[40] Sullivan MD(undefined)undefined undefined undefined undefined-undefined