Table II.

Herbal acupuncture intervention details.

Study	Acupuncture points	Injection methods
Wang and Wang (19)	SP6, BL20, Yishu	Bilateral, 1.5 ml, q.d. for 20 days
Zhang (23)	ST36, KI3, SP6, SP10, LI4, BL20, BL21, BL22, BL23, BL13, Yishu	Bilateral, 1 ml, 2 sets of q.o.d. for 20 days with 1-week interval
Liu et al (25)	BL20, BL17, BL23, BL52, ST36, SP6, KI3, Yishu	Unilateral in turn, 0.5 ml, 2 sets of q.o.d. for 20 days with 5-day interval
Geng et al (24)	1) CV12, ST36, Yishu 2) SP6, BL23, CV4	Alternating applications of 1) or 2) were applied. 3 sets of q.d. for 10 days with 5-day intervals
Xie et al (20)	ST36, SP6, LI11, BL23, CV6	0.5 ml, q.d. for 4 weeks
Wang et al (22)	1) left SP9, right ST36 2) right SP9, left ST36	1) or 2) was applied in turns. 1 ml, q.d. for 2 weeks.
Li et al (21)	SP6	Bilateral, 2 ml, every 3 days for 18 days q.d., every day; q.o.d, every other day.