Minority Groups/statistics & numerical data
  
 
        
  
  
      
        
      
          Won, A., Lapane, K., Gambassi, G., Bernabei, R., Mor, V., Lipsitz, L. A. 1999. Correlates and management of nonmalignant pain in the nursing home. SAGE Study Group. Systematic Assessment of Geriatric drug use via Epidemiology. J Am Geriatr Soc.  47 (8) 936-42.