经过对艾滋病病人临床观察，发现所有病人均有不同程度的瘀血之征，面色晦滞，皮下瘀血、舌质紫暗，脉沉涩等。

There were stagnant blood sign or grayish complexion, stagnated blood under skin, dark-purple tongue and sunken and astringent pulse in AIDS patients after observing the thousands of AIDS patients.

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糖尿病引起的周围神经病变，慢性酒精中毒，低血糖，尿血紫质症的周围神经损伤。

Peripheral nerves can be damaged due to diabetes, chronic intoxication of alcohol, low blood sugar, or porphyria.

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