Vas, Jorge Acupuncture in patients with acute low back pain: a multicentre randomised controlled clinical trial. [electronic resource] - Pain Sep 2012 - 1883-1889 p. digital Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1872-6623 Standard No.: 10.1016/j.pain.2012.05.033 doi Subjects--Topical Terms: Acupuncture Analgesia--methodsAcute DiseaseAdultFemaleHumansLogistic ModelsLow Back Pain--therapyMaleMiddle AgedPain MeasurementSingle-Blind MethodTreatment Outcome