Exact multipoint quantitative-trait linkage analysis in pedigrees by variance components
  
    
              Pratt, S.C. , M.J. Daly, and L. Kruglyak
      
  
  
  
    
              American Journal of Human Genetics 66: 1153-1157
      
  
  
  
  
    
              Publication
      
  
  
  
    
              2000