Analysis of related knowledge,attitude and knowledge source on chronic diseases among 4~6 grades in eight Chinese provinces.
SI Xiang,ZHAI Yi,QIAN Yong-gang,DONG Jing,LI Wei-rong,SHEN Chong,ZHAO Wen-hua,SHI Xiao-ming.
journal1 . 2013, (7): 698 -700 . 


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