Effects of a quercetin-rich onion skin extract on 24 h ambulatory blood pressure and endothelial function in overweight-to-obese patients with (pre-)hypertension: a randomised double-blinded placebo-controlled cross-over trial.

富含槲皮素的洋葱皮提取物对超重至肥胖高血压（前期）患者 24 小时动态血压和内皮功能的影响：一项随机双盲安慰剂对照交叉试验