Fig. 2From: Comparative analysis of the oral microbiota between iron-deficiency anaemia (IDA) patients and healthy individuals by high-throughput sequencingDiversity analysisa PCoA of community structures from IDA and control groups. The triangles and circles represent the microbiota of the IDA group and healthy controls, respectively. b PCoA of community structures from IDA_s, IDA_m and control groups. The rhombus, triangles, and circles represent the microbiota of IDA_s, IDA_m, and healthy controls, respectively. c Hierarchical clustering tree (OTU level)Back to article page