Influence of Transcutaneous Electrical Acupoint Stimulation on TLR4 Signaling Pathway-Related Factors in Patients with Diabetic Lower Extremity Vascular Disease - Dandan Sun; Yurui Li; Dou Zhang; Wei Wang; Guanghao Xia (Acupuncture & Electro-Therapeutics Research: International Journal of Integrated Medicine, 2026)