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Term:
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blood CD25 cell count to CD4 cell count ratio 
blood CD4 cell count to CD8 cell count ratio  
blood CD4 cell to R73 cell ratio 
A calculated measurement in which the number of lymphocytes expressing surface CD4 antigen is divided by the number of lymphocytes expressing a surface antigen recognised by R73, and presented as a ratio, fraction, quotient or percentage.
blood CD4 lymphocyte count to total lymphocyte count ratio +  
blood CD45RC(high) CD4 T cell count to CD45RC(low) CD4 T cell count ratio 
blood CD4Th1 cell to CD4 Th2 cell ratio 
blood CD8 cell count to R73 cell count ratio 
blood R73 cell to total mononuclear cell ratio 

Synonyms
Definition Sources: Dorland:Dorlands_Illustrated_Medical_Dictionary--31st_Ed, ISBN:978-1416049982

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