![Fig. 1. Location of acupuncture press needles in the ear for both the intervention and sham control groups. •= Intervention group (L01 = lobe zone 1, master cerebral point; TF 6 = triangular fossa zone 6, hypertension; TG 2 = tragus zone 2 [tranquilizer point]). ▴= Control group (EA = extraneous point; SF 2 = scaphoid fossa zone 2, wrist; SF 5 = scaphoid fossa zone 5, shoulder).](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/100/6/10.1097_00000542-200406000-00011/2/11ff1.png?Expires=1717066727&Signature=De3JRaAe2FqtWFWIL5PKNfn3h5zV3POHOUFcp7l352C5kqlSjUFAgQS4NZ~w9Ys2DLEVHDZ6UblmpI-t6ADvWMuVQxAYuvuTt9wlrb54nhNcBhIh8rmAzzs73rHTKuhsQQ9F6jZ7QDevoDJi0aKS22MuHuX5zeZTOfX1vCQ2nkYV2p0OPeZWT9CI43U2BjnOfgFjnpNwROgweVxw5EuRQbsdIA9BKlQc5AUg4Pv5BV93EIxRVfrh0dIhYqLT3xu0a-g76WiSq6OBHvhu4BZ1g7VMqEDcftbDYnNaN6olP5l6GAyJZsaVN1tOgHkG9yrO8l0ThFfPU~4gsOfKHYBUtQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Fig. 1. Location of acupuncture press needles in the ear for both the intervention and sham control groups. •= Intervention group (L01 = lobe zone 1, master cerebral point; TF 6 = triangular fossa zone 6, hypertension; TG 2 = tragus zone 2 [tranquilizer point]). ▴= Control group (EA = extraneous point; SF 2 = scaphoid fossa zone 2, wrist; SF 5 = scaphoid fossa zone 5, shoulder).
