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Table 1 Acupuncture points and needling procedure for real and sham acupuncture.

From: Acupuncture for persistent allergic rhinitis: a multi-centre, randomised, controlled trial protocol

Real Point Angle and Direction Depth
(mm)
Sham point
LI20 (Both) Obliquely along the nasolabial sulcus towards the root of nose with respect to the skin 20–30 Lateral 1.5 cm and Downward 1 cm to LI20.
ST2 (Both) Transversely, upward to the centre of the pupil with respect to the skin 7–10 Lateral 1.5 cm to ST2
EX1 (unilateral) Transversely, downward to the nose 20–30 Upward 1.5 cm, Rt. Lateral 1 cm to EX1
GV23 (unilateral) Transversely, downward to the forehead with respect to the skin 20–30 Rt. Lateral 1 cm to GV23
LI4 (Both) Perpendicular to the skin 20–30 Posterior to the web margin between the first and second phalanges
ST36 (Both) Perpendicular to the skin 20–30 Medial 1.5 cm to ST36
  1. In the sham acupuncture procedure, the needle will be inserted at each sham point to a depth of 3–5 mm, perpendicular to the skin, using a needle tube with a one-time rotation