Kim, Kyu Seok Clinical effect of pricking blood at neiyingxiang (ExHN 9) on non-allergic rhinopathy: study protocol for a randomized controlled trial. [electronic resource] - Trials Apr 2012 - 37 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1745-6215 Standard No.: 10.1186/1745-6215-13-37 doi Subjects--Topical Terms: Acupuncture Therapy--adverse effectsClinical ProtocolsCross-Over StudiesHumansOutcome Assessment, Health CareRhinitis, Vasomotor--therapySingle-Blind Method