L Lebouffant

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Previous studies of surface modification of quartz particles have suggested that the biological activity of silica is at least in part related to its surface properties. In the present study, we exposed the tracheal lobe of 8 sheep to either 100 ml saline (saline group), 100 mg of quartz (Minusil-5) in 100 ml saline (SI group) or 100 mg of Al lactate(More)
Ingested asbestos is mainly excreted in the urine. Marked impregnation of bladder neck in a patient working in an asbestos factory was diagnosed initially as a tuberculosis lesion on the granulomatous histologic appearance. Asbestos fibers were counted by electron microscopy. This appears to be the first case of this type reported and possible causal(More)
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