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为探讨尘肺病病情发展、晋期变化规律及其影响因素，本文对某市１９５５～１９９２年确诊的尘肺病人中１３５５例的晋期情况，作了流行病学调查研究，以期为尘肺病的防治工作提供有益的资料。１对象与方法１．１对象某市３８年间共确诊各类尘肺病人计５０３８例。从上述全...
In order to explore the disease development of pneumoconiosis, the changing rules of Jin Dynasty and its influencing factors, this paper made an epidemiological investigation of 1355 cases of pneumoconiosis diagnosed in a city from 1955 to 1992, with a view to prevention and control of pneumoconiosis Work to provide useful information. 1 objects and methods 1.1 object 38 years in a city a total of 5038 cases of pneumoconiosis patients were diagnosed. From the above all ...