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                                      author：focus   
                                        
                                      
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          Drs. Ben Carson, right, and Donlin Long with a brain model of the conjoined twins that were separated in a surgery performed at Johns Hopkins Hospital in September 1987. 																									Fred Kraft/AP
          Siamese twin separation that launched Ben Carson’s fame ended poorly for twins
                      
                              
          
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                Trump demands the U.S. pay no more for drugs than other countries … again
                
          
                        
              
          
                Trump demands the U.S. pay no more for drugs than other countries … again
                
          
                  
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                Average age of first period drops to 11.9 years, study shows
                
          
                        
              
          
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                The cancer drug shortage isn’t new — and neither are the solutions
                
          
                        
              
          
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          Senate panel passes drug pricing bills, but drops one PBM reform
          
            
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