Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Fig 1

Research Article

Electroacupuncture-Induced Dynamic Processes of Gene Expression Levels of Endogenous Opioid Peptide Precursors and Opioid Receptors in the CNS of Goats

Figure 1

Pain threshold of goats stimulated by EA (mean ± SD, %, ). The same letter indicated that no significant difference between pain thresholds at two different time points ( ), and different letters indicated significant difference ( ).