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1995年8～12月，我们对临沂地区费县、蒙阴两县的4473例小儿麻痹后遗症患者进行了流行病学调查，现报告如下。1调查方法对4473例患者逐一进行检查登记，根据其初发病年龄、原始资料及病史，估计其原发病程度、治疗后改善情况、关节活动度、肌力及出现脊髓灰质炎后综合征（PPS）
From August to December 1995, we conducted an epidemiological investigation of 4473 cases of poliomyelitis sequelae in Fei County and Mengyin Counties in Linyi Prefecture. The report is as follows. A survey of 4473 patients were examined and registered one by one, according to their initial onset age, original data and medical history, to estimate the degree of primary disease, post-treatment improvement, joint activity, muscle strength and post-polio syndrome ( PPS)