title: An unusual antibody related to the MN blood group system.
mesh_terms: D044383:Black People; D000939:Epitopes / Q000032:analysis; D006021:Glycophorins / Q000032:analysis; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology; D007518:Isoantibodies / Q000276:immunology*; D008951:MNSs Blood-Group System / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D044465:White People
chemical_list: D000939:Epitopes; D006021:Glycophorins; D007074:Immunoglobulin G; D007518:Isoantibodies; D008951:MNSs Blood-Group System