Fig. 3
From: Effect of PFOA exposure on diminished ovarian reserve and its metabolism

Partial least squares discriminant analysis (PLS-DA) score from follicle fluid metabolomics profiles comparing high concentration group and low concentration group (A-B). A Positive ESI mode; B Negative ESI mode. Orthogonal partial least squares discriminant analysis (OPLS-DA) score from follicle fluid metabolomics profiles comparing high concentration group and low concentration group (C-D). C Positive ESI mode. D Negative ESI mode