Figure 2From: Effect of electro-acupuncture stimulation of different frequencies and intensities on ovarian blood flow in anaesthetized rats with steroid-induced polycystic ovaries2 Hz EA – OBF and MAP after sympathetic denervation Summarized OBF (A, C) and MAP (B, D) responses after severance of the ovarian sympathetic nerves in both the control rats and the PCO rats when stimulating with low-frequency (2 Hz) EA. See Fig. 1 for other details.Back to article page