共 7 条
[5]
医用数理统计方法[M]. 人民卫生出版社 , 郭祖超主编, 1988
[6]
Suicide rates in China, 1995–99[J] . Michael R Phillips,Xianyun Li,Yanping Zhang.The Lancet . 2002 (9309)
[7]
Is the ti me of suicide a randomchoice A newstatistical perspective. Rocchi MB,Perlini C. Crisis . 2002