应用集中度和圆形分布法分析厦门市风疹发病季节性特征
马姗姗,林勇,池益强,谢群
Analysis of seasonality characteristics of rubella in Xiamen City by applying concentration degree and circular distribution
MA Shan-shan,LIN Yong,CHI Yi-qiang,et al
中国热带医学 . 2014, (3): 352 -354 .