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本文应用圆形分布法对安顺地区1965～1987年流行性脑脊髓膜炎(流脑)的发病资料进行分析,以探讨我区流脑流行的季节性特征。
In this paper, the incidence of epidemic cerebrospinal meningitis (meningitis) from 1965 to 1987 in Anshun was analyzed by circular distribution method to investigate the seasonal characteristics of meningococcal epidemic in our district.