Walnut intake may increase circulating adiponectin and leptin levels but does not improve glycemic biomarkers: A systematic review and meta-analysis of randomized clinical trials

Ling Yang, Zhiyang Guo, Shuwen Qi, Tao Fang, Hongyan Zhu, Heitor O. Santos, Vahid Khani, Chun Hoong Wong, Zhiyun Qiu