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. 2023 Feb 15;110(2):55. doi: 10.1007/s00128-023-03691-y

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Fig. 1 — Survival (mean ± SE; % of initial number of individuals) of S. personatum after 28 d of exposure to artificial sediment and intact sediment cores from the reference, urban, WWTP and agricultural site (n = 4 per treatment). An asterisk indicates a significant (p < 0.05) difference