Spatial pattern and heterogeneity risk of severe acute respiratory syndrome epidemic in Guangzhou
CAO Zhi-dong, WANG Jin-feng, GAO Yi-ge, HAN Wei-guo, Feng Xiao-lei, ZENG Guang
GEOGRAPHICAL RESEARCH . 2008, (5): 1139 -1150 .  DOI: 10.11821/yj2008050017