adj :  of, relating to, or being a group of allelic red-blood-cell antigens of which some are important causes of transfusion reactions and some forms of erythroblastosis fetalis < blood group system>  < blood typing> 
Kell medical patient. Kell was a female patient in whose blood antibodies to an antigen of the Kell blood group were first found. The discovery of the group was first reported in 1946.
 
 
 
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