Fig. 2From: Characteristics of gut microbiota in patients with asthenozoospermia: a Chinese pilot studyThe alpha diversity indices and beta-diversity analysis between the AS group and NC group. (A) Chao1 index, (B) observed OTUs index, (C) PD Whole tree index, and (D) Shannon index between the AS group and NC group; (E) PCoA analysis using the unweighted UniFrac methodBack to article page