8Bo Y C,Song C, Wang J F, et al. Using an autologistic regression model to identify spatial risk factors and spatial risk patterns of hand, foot and mouth disease (HFMD) in China's Mainland[ Jl. BMC Public Health, 2014, 14(1) :358-360.
9Jadad A R, Moore R A, Carroll D, et al. Assessing the quality of reports of randomized clinical trials :is blinding necessary [ J ]. Control Clin Trials, 1996, 17 ( 1 ) : 1-12.