regurgitant fraction   =   
  
    
      
        
          
            
              
                V
                
                  m
                  i
                  t
                  r
                  a
                  l
                
              
              −
              
                V
                
                  a
                  o
                  r
                  t
                  i
                  c
                
              
            
            
              V
              
                m
                i
                t
                r
                a
                l
              
            
          
        
        ×
        100
        %
      
    
    {\displaystyle {\frac {V_{mitral}-V_{aortic}}{V_{mitral}}}\times 100\%}
  where Vmitral and Vaortic are, respectively, the volumes of blood that flow forward through the mitral valve and aortic valve during a cardiac cycle.
However, the valganciclovir patent was rejected by the Indian Patent Office in 2010, although Roche may appeal the rejection. Names
Also known as Cymeval, Valcyt, Valixa, Darilin, Rovalcyte, Patheon, and Syntex. References
External links
"Valganciclovir". Drug Information Portal. U.S. National Library of Medicine.