title: Serologic characteristics of a further example of anti-Xga and the frequency of Xga in North London blood donors.
abstract: An example of an IgG anti-Xga of subclasses IgG1 and IgG2 that fixed complement was detected in a 92-year-old man. The serum was used to test 4000 routine British blood donors. The incidence of Xga was 0.677 in men and 0.895 in women.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001782:Blood Donors; D001789:Blood Group Antigens; D006801:Humans; D008297:Male
chemical_list: D001789:Blood Group Antigens