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        CLEAN study dataset. (2020) 
        Gon, Giorgia
	
      
      
      
        
          
            
    grid_on
  
            
          
        
      
      
      
      
    
  
      
        
    
      
      
      
        Risks, Contracts and Infectious Disease in the UK NHS Managed Market, 1997-1999. (2000) 
        Roberts, J.A.; Allen, P.W.L.; Croxson, B.; Taylor, L.; Crawshaw, S.C.; Archibald, K.L.M.H.
	
      
      
      
        
      
      
      
      
    
  
      
        
    
      
      
      
        WHO/ICS Medical Care Utilization Study Data, 1968-1969. (1981) 
        World Health Organization; International Collaborative Study of Medical Care Utilization