A weak, transient B-like antigen in the red cells of a patient with chronic leukaemia belonging to blood group A.
D000017:ABO Blood-Group System; D000372:Agglutination Tests; D001774:Blood Chemical Analysis; D001789:Blood Group Antigens; D010450:Endopeptidases; D006801:Humans; D007951:Leukemia, Myeloid; D008297:Male; D008875:Middle Aged; D012463:Saliva; D014357:Trypsin