Rubenstein, L. Z.
  
    
            
  
  
  
      
        
      
          Bernabei, R., Landi, F., Gambassi, G., Sgadari, A., Zuccala, G., Mor, V., Rubenstein, L. Z., Carbonin, P.    
          (1998)    
          Randomised trial of impact of model of integrated care and case management for older people living in the community    
          Bmj    
          316    
          7141    
          1348-51