Fig. 2From: Efficacy and safety of Qi-Wei-Qing-Yan aerosol in treatment of acute pharyngitis (lung-stomach excess-heat syndrome): study protocol for a randomized controlled trialSchedule of study procedures. Participants will receive the study medication for 5Â days after enrollment and allocation. The time-points of assessments are shown in the schedule. QWQYA, Qi-Wei-Qing-Yan Aerosol; TCM, traditional Chinese medicine; VAS, visual analog scaleBack to article page