No abstract available
MeSH terms
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ABO Blood-Group System*
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Blood Group Antigens*
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Disease Susceptibility*
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Erythrocytes*
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Genetics, Medical*
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Humans
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Rh-Hr Blood-Group System*
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Rheumatic Fever*
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Rheumatic Heart Disease*
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Saliva*
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Statistics as Topic*
Substances
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ABO Blood-Group System
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Blood Group Antigens
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Rh-Hr Blood-Group System