Biochemical and cellular effects or welding fume particles in the rat lung

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      <subfield code="a">Rats were examined for cellular and biochemical changes in the lung 1 week after intratracheal instillation of different doses of titanium dioxide and manual metal arc (MMA) welding fume particles collected from the welding of stainless steel, and from the welding of mild steel with basic and rutile-coated electrodes. MMA welding particles produced changes in the lung weight/body weight ratios, the levels of pulmonary surfactant and hydrolytic enzyme activicies in the free cell population</subfield>
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