患肢足背动脉和胫后动脉搏动消失。
Limb dorsalis pedis artery and the posterior tibial artery pulse.
观察注药3天内患肢和健肢的痛阈改变，并于第3天观察其脊髓背表面电位（CDP）的变化。
After the injection , cord dorsal potential(CDP) was determined on the 3rd day while heat pain threshold was measured each day.
作用：冬令争随佳品，可治层背冷痛、四肢风很疼痛等。
Function: winter dispute is tasted, can treat layer with back pain, limb cold wind very ache, etc.
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