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    					| Parasporal Proteins from Bacillus thuringiensis and Their Cytotoxicity on Human Cancer Cells | 
  					 
  					  															
						1.Department of Epidemiology,Medical College of Human Normal University,Human Province Changsha 410013,China  
2.State Key Laboratory of Agricultural Microbiology,College of Science and Technology,Huazhong Agricultural University,Hubei Province Wuhan 430070,China | 
					 
										
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