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The absence of a B allele in acquired B blood group phenotype confirmed by a DNA based genotyping method.

By S P Yip, W L Choy, C W Chan and C H Choi


A case of an 87 year old woman with carcinomatous sigmoid colon, found to be of group A1 with acquired B status, is reported. The acquired B phenotype was confirmed by the absence of a B allele in the patient using denaturing gradient gel electrophoresis of a DNA fragment amplified from the ABO locus by the polymerase chain reaction

Topics: Research Article
Year: 1996
DOI identifier: 10.1136/jcp.49.2.180
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Provided by: PubMed Central
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