Figure 1From: Effectiveness of De Qi during acupuncture for the treatment of tinnitus: study protocol for a randomized controlled trial Tools used for outcome measurement: Visual Analog Scale (VAS), Tinnitus Handicap Inventory (THI), Tinnitus Severity Index Questionnaire, Tinnitus Loudness Questionnaire, and 10-cm VAS C-MMSAA: Chinese version of the ‘modified’ Massachusetts General Hospital Acupuncture Sensation Scale (C-MMASS). A flowchart of the procedure of this clinical trial.Back to article page