Summary
Urinary excretion of metallothionein was measured by radioimmunoassay in rats given drinking water containing 5 or 50 mg cadmium/1 for up to 2 years. The metallothionein levels corresponded to the concentration of cadmium in the drinking water and increased linearly over the course of the study. These results demonstrate that urinary metallothionein is a sensitive biological indicator of oral cadmium exposure.
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Shaikh, Z.A., Harnett, K.M., Perlin, S.A. et al. Chronic cadmium intake results in dose-related excretion of metallothionein in urine. Experientia 45, 146–148 (1989). https://doi.org/10.1007/BF01954852
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DOI: https://doi.org/10.1007/BF01954852