Fig. 2From: Treatment of persistent allergic rhinitis via acupuncture at the sphenopalatine acupoint: a randomized controlled trialAcupuncture needle point. The black arrow shows the Die-e acupoint, which is located under the zygomatic arch between the coronoid process and the mandibular condyle. Acupuncture on the Die-e point at a needling depth of 50 mm and 20 mm in the real acupuncture group and in the sham acupuncture group, respectivelyBack to article page