Renin-angiotensin system mechanism underlying the effect of auricular acupuncture on blood pressure in hypertensive patients with phlegm-dampness constitution: Study protocol for a randomized controlled trial. - Zhu, Qianyin; Mu, Tingyu; Dong, Die; Chen, Lingshan; Xu, Jiayi; Shen, Cuizhen (PLoS ONE, 2024)