Compositional and functional differences in human gut microbiome with respect to equol production and its association with blood lipid level: a cross-sectional study oleh Wei Zheng, Yue Ma, Ai Zhao, Tingchao He, Na Lyu, Ziqi Pan, Geqi Mao, Yan Liu, Jing Li, Peiyu Wang, Jun Wang, Baoli Zhu, Yumei Zhang