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    					| Effects of Transgenic Cottons Carrying Cry1A+CpTI  and Cry1A  Genes on the Structures and Composition of Pest and Beneficial Arthropod Communities in Cotton Field in North China
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						| Li Weidi1,2 Wu Kongming1 Chen Xuexin2** Feng Hongqiang1 Xu Guang1 Guo Yuyuan1 |  
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															| Received: 01 January 1900 |  |  |  |  
											 
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