| Blood typing, red blood cell antigens from Knops system (International Society of Blood Transfusion 022) (procedure) | | Blood typing, RBC antigens from Knops system (ISBT 022) | | Blood typing, red blood cell antigens from Knops system (ISBT 022) Blood typing, red blood cell antigens from Knops system (International Society of Blood Transfusion 022)
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| | Id | 103936000 | | Status | Primitive |
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