00:00What is the KEL blood classification system used for?
00:04This system refers to presence or absence of K antigen which has been found in pregnant women in humans after a transfusion.
00:14The presence of K antigen during blood transfusion is being studied.
00:20This antigen was almost absent in the Chinese, being found in almost 2% of Koreans and 9% of the British people.
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00:34with However traits of this fluid, every child has occurred inakene.
00:38So, please put me back in what this has been seen.
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