Figure 2.

Mean blood pressure (MBP) after spinal anesthesia within 30 min during the peri-operative period. Group P = placebo group, Group A = electroacupuncture group. Data are shown as mean (standard deviation). *P < 0.05 compared with baseline within groups.

Yeh et al. BMC Complementary and Alternative Medicine 2012 12:233   doi:10.1186/1472-6882-12-233
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