Ata (August) and El (Eldr) are synonymous.
D000937:Antigen-Antibody Reactions; D001789:Blood Group Antigens / Q000276:immunology*; D001787:Blood Group Incompatibility / Q000175:diagnosis; D005260:Female; D006801:Humans; D007518:Isoantibodies / Q000276:immunology*
D001789:Blood Group Antigens; D007518:Isoantibodies