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Fig. 2 | Environmental Health

Fig. 2

From: Can profiles of poly- and Perfluoroalkyl substances (PFASs) in human serum provide information on major exposure sources?

Fig. 2

Principal component analysis (PCA) of serum PFAS profiles for (a) Faroese whaling men, children and women, (b) Faroese whaling men and US men, (c) Faroese children and US children, (d) Faroese women and US women. In Panel (a) and (b), the orange arrow points to a whaling man who did not consume pilot whale meat in the year preceding serum collection. In Panel (b) – (d), the coordinates of each data point are computed as the raw data on serum PFASs weighted by the factor loadings derived from Panel (a)

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