How are Landsteiner's blood groups used in modern medicine?
The principles I established regarding the ABO system and the Rh factor remain foundational to modern transfusion medicine and beyond. Blood typing is still an essential prerequisite for safe blood transfusions, organ transplantation, and prenatal testing to prevent hemolytic disease of the newborn. The specificity of the antigen-antibody reaction I elucidated is also exploited in various diagnostic tests, such as those used in forensic science and paternity testing. The understanding of these individual biological markers continues to be of immense practical value, demonstrating the enduring relevance of careful, empirical investigation into human physiology.
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