Poussa, T
  
    
            
  
  
  
      
        
      
          Pitkala, KH, Strandberg, TE, Finne-Soveri, UH, Ouwehand, AC, Poussa, T, Salminen, S.    
          (2007)    
          Fermented cereal with specific bifidobacteria normalizes bowel movements in elderly nursing home residents. A randomized, controlled trial.    
          J Nutr Health Aging.    
          11    
          4    
          305-11