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Rank correlation coefficients (Spearman's rho) between cobalt skin, inhalable air and blood concentrations all significant at the 0.01 level (two‐tailed)
| Skin cobalt (µg/cm2/h) | Blood cobalt (nmol/L) | |
|---|---|---|
| Skin cobalt (µg/cm2/h) | — | 0.376a |
| Inhalable air cobalt (mg/m3) | 0.489b | 0.498b |
n = 61.
n = 62.
