title: 'Naturally occurring' anti-D in Rh(D) negative volunteers for immunization.
abstract: 'Naturally occurring' anti-D has been studied in four Rh(D) negative males. The presence of this anti-D does not preclude successful deliberate immunization of Rh(D) negative volunteers; 'naturally occurring' anti-D does not provide a marker of non-responders to Rh immunization. 'Naturally occurring' anti-D is not necessarily the result of materno-fetal transfusion at birth.
mesh_terms: D006801:Humans; D007114:Immunization; D007518:Isoantibodies / Q000032:analysis*; D008297:Male; D012204:Rh-Hr Blood-Group System / Q000276:immunology*
chemical_list: D007518:Isoantibodies; D012204:Rh-Hr Blood-Group System