Kallewaard, Jan Willem A multicenter randomized controlled trial on the efficacy of intradiscal methylene blue injection for chronic discogenic low back pain: the IMBI study. [electronic resource] - Pain Apr 2019 - 945-953 p. digital Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial ISSN: 1872-6623 Standard No.: 10.1097/j.pain.0000000000001475 doi Subjects--Topical Terms: AdultDouble-Blind MethodEnzyme Inhibitors--administration & dosageFemaleFollow-Up StudiesHumansIntervertebral Disc--drug effectsIntervertebral Disc Displacement--complicationsLow Back Pain--drug therapyMaleMethylene Blue--administration & dosageMiddle AgedPain MeasurementQuality of Life--psychologyRetrospective StudiesTime FactorsTreatment Outcome