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    					| Study on the Relationship between Serum 25-(OH)D3 Level and Nutritional Metabolism in Children with Simple Obesity | 
  					
  					  										
						| LI Ping, DONG Jie, WANG Xiangyang | 
					
															
						| First-author's address: Department of Pediatric, Maternity and Child Health Care of Rizhao, Rizhao 276800, China | 
					
										
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