Fig. 2From: Acupoint herbal plaster for patients with primary dysmenorrhea: study protocol for a randomized controlled trialStandard Protocol Items: Recommendations for Interventional Trials (SPIRIT) Figure of enrollment, interventions and assessments. VAS Visual Analog Scale, CMSS Cox Menstrual Scale, SF-12 12-Item Short Form Health Survey, PGIC Participant Global Impression of Change, CEQ Credibility Expectancy QuestionnaireBack to article page