title: pH effect on anti-N reactivity.
mesh_terms: D001323:Autoantibodies / Q000032:analysis*; D006386:Hemagglutination Tests; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008951:MNSs Blood-Group System / Q000276:immunology*
chemical_list: D001323:Autoantibodies; D008951:MNSs Blood-Group System