A quick and simple method for phenotyping IgG-sensitized red blood cells.
Positive (IgG) direct antiglobulin test (DAT) reactivity ranging from weakly positive to 2+ can be eliminated using a simple "blocking" technique with anti-IgG. This method can be used for antigen typing DAT-positive red blood cells that require the antiglobulin technique.
Sererat
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Special Services Laboratory, American Red Cross Blood Services, Western Lake Erie Region, Toledo, OH 43620, USA.
Veidt
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Dutched
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