A Multicenter Randomized Controlled Pilot Trial Testing the Efficacy and Safety of Pterygopalatine Fossa Puncture Using One Acupuncture Needle for Moderate-to-Severe Persistent Allergic Rhinitis

<div>The insertion point and the pterygopalatine fossa. (a) Insertion point for sphenopalatine ganglion stimulation. (b) The red arrow indicates the pterygopalatine fossa in the skull. The figure in (a) is cited from Grégoire et al. [<a href="/journals/ecam/2020/2975974/#B14">14</a>].</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 2: A Multicenter Randomized Controlled Pilot Trial Testing the Efficacy and Safety of Pterygopalatine Fossa Puncture Using One Acupuncture Needle for Moderate-to-Severe Persistent Allergic Rhinitis 

Figure 2 | A Multicenter Randomized Controlled Pilot Trial Testing the Efficacy and Safety of Pterygopalatine Fossa Puncture Using One Acupuncture Needle for Moderate-to-Severe Persistent Allergic Rhinitis 