Red blood cell (RBC) phenotypes of the proband and his family members were determined using routine serologic techniques. Briefly, the RBCs of these individuals were reacted with anti-A, anti-B, anti-AB… Click to show full abstract
Red blood cell (RBC) phenotypes of the proband and his family members were determined using routine serologic techniques. Briefly, the RBCs of these individuals were reacted with anti-A, anti-B, anti-AB (Shanghai HemoPharmaceutical Biological Company), and anti-H (Dominion Company), and their sera were reacted with standard A, B, and O cells using tube methods. Exons 1 to 7 of the ABO gene were directly sequenced according to our previous method. RESULTS AND DISCUSSION
               
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