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Chinese Journal of Epidemiology
0254-6450
1989 Issue 4
bei jing shi 150 li zi gong nei mo ai de bing li dui zhao yan jiu
zhang chun yao
..............
page:235-237
guo chan yi xing gan yan xue yuan yi miao mian yi xiao guo ji chi jiu xing guan cha
liu zhen qiang
..............
page:203-205
mu qin yi xing gan yan bing du gan ran zhuang tai dui ying er jie zhong yi xing gan yan yi miao hou mian yi ying da de ying xiang
yin shu rong
..............
page:198
