Figure 7From: Metabolic markers and microecological characteristics of tongue coating in patients with chronic gastritis PCA and PLS-DA of the 16S rRNA gene V3 region of the normal group and the chronic gastritis group. (a) PCA results, red dots-normal samples, green dot- chronic gastritis patients (b) PLS-DA results, red dots-normal samples, green dot- chronic gastritis patients.Back to article page