Kim, Sunghye Sustained Benefits of Exercise-based Motivational Interviewing, but Only among Nonusers of Opioids in Patients with Fibromyalgia. [electronic resource] - The Journal of rheumatology 04 2017 - 505-511 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural ISSN: 1499-2752 Standard No.: 10.3899/jrheum.161003 doi Subjects--Topical Terms: AdultAnalgesics, Opioid--therapeutic useExercise Therapy--methodsFemaleFibromyalgia--drug therapyHumansMaleMiddle AgedMotivational Interviewing--methodsPain MeasurementTreatment Outcome