Transcutaneous electrical nerve stimulation (TENS) is really a area-applied unit that delivers reduced voltage electrical recent in the skin to generate analgesia. Corydalis is the genus of the perennial flowering plant from the poppy family members with above 400 species. The tubers of corydalis (corydalis yanhusuo yan hu suo; https://cesarafhkl.qowap.com/98202188/the-basic-principles-of-conoldine-alternative-natural-pain-relief