Issues in regulatory guidelines for data monitoring committees.
              
            
            
  
    
      
        DeMets D, Califf R, Dixon D, Ellenberg S, Fleming T, Held P, Julian D, Kaplan R, Levine R, Neaton J, Packer M, Pocock S, Rockhold F, Seto B, Siegel J, Snapinn S, Stump D, Temple R, Whitley R.
        
      
    
    DeMets D, et al.
    Clin Trials. 2004;1(2):162-9. doi: 10.1191/1740774504cn019xx.
    Clin Trials. 2004.
  
  
  PMID: 16281888
  
  
    
  
  Review.