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The concentrations of Ni, Ba, Pb and Ti in the blood of pregnant women.
| Heavy metal | Mean ± Standard deviation (μg/L) | P50 (μg/L) | P25–P75 (μg/L) |
|---|---|---|---|
| Ni | 110.80 ± 295.50 | 25.58 | 0.00, 108.24 |
| Ba | 212.68 ± 791.04 | 84.38 | 55.45, 158.58 |
| Pb | 97.22 ± 282.03 | 69.67 | 44.64, 97.35 |
| Ti | 441.57 ± 822.57 | 304.65 | 207.13, 433.43 |
