Lung and blood superoxide dismutase activity in mercury vapor exposed rats: effect of N-acetylcysteine treatment

Rats were exposed to mercury vapors (30 mg/m 3) for either 1 or 2 h. Histological lesions like alveolar oedema, hyaline membranes and sometimes fibrosis were observed. The lesions were more significant after 2 h of exposure, with about 50% of the animals dying within 2 weeks. The mercury level and t...

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