6 results for “General Electric”
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Medical study · Medical research · 1991
New developments in asbestos-induced pleural disease
…plaques and diffuse pleural thickening, together called pleural fibrosis. It reported that across 16 general-population autopsy studies, pleural plaques were found in 857 of 7,085 autopsies (12.2 percent, range 0.5 to 39…
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Medical study · Medical research · 1993
Asbestos-related pleural plaques and lung cancer
…pleural plaques and lung cancer in the absence of parenchymal asbestosis. There were six cohort studies in which the comparison group was limited to unexposed persons or the general population, four lung cancer case-control studies…
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Medical study · Medical research · 1990
Asbestos in lung tissue
…as the level identifying asbestos exposure. The author wrote that in the author's laboratory, 100 asbestos bodies per 5 g was the upper limit in the general population of Houston, Texas and Durham, North Carolina…
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Medical study · Medical research · 1983
Current issues in the pathologic and mineralogic diagnosis of asbestos-induced disease
…as the main problem. The author wrote that a million chrysotile fibers per gram of dry lung fit general-population background levels. A million amosite or crocidolite fibers per gram almost certainly indicated substantial occupational exposure…
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Medical study · Medical research · 2004
Asbestos and the pleura: a review
…the evidence indicated plaques do not increase cancer risk, though this was far from a universal view. They reported general agreement that diffuse pleural thickening can cause significant restrictive ventilatory impairment. For mesothelioma, they reviewed incidence…
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Medical study · Medical research · 1994
Spirometric impairments in long-term insulators. Relationships to duration of exposure, smoking, and radiographic abnormalities
…and reduced FEV1/FVC are both more frequent in insulators who have smoked (compared with NS insulators or smokers in the general population) suggests an interaction between asbestos and smoking in producing both these physiologic abnormalities.