Wang Pei, Zhao Ji-wen, Wang Chang-xian, Ai Jing, Kong Yuan-yuan, Gao Hai-jian
Department of Epidemiology and Health Statistics, Public Health College, Dongnan University, Nanjing 210009, China
Zhonghua Liu Xing Bing Xue Za Zhi. 2004 Dec;25(12):1093-4.