title: The biological basis of passage of fetal cellular material into the maternal circulation.
authors.affiliation: University of Health Sciences, Chicago Medical School, Illinois 60064.
authors.forename: A E
authors.initials: AE
authors.lastname: Beer
authors.forename: J Y
authors.initials: JY
authors.lastname: Kwak
authors.forename: J E
authors.initials: JE
authors.lastname: Ruiz
mesh_terms: D015551:Autoimmunity; D005260:Female; D005333:Fetus / Q000276:immunology*; D005434:Flow Cytometry; D006680:HLA Antigens / Q000276:immunology; D059951:HLA-G Antigens; D015395:Histocompatibility Antigens Class I / Q000276:immunology; D006801:Humans; D007519:Isoantigens / Q000276:immunology; D008431:Maternal-Fetal Exchange; D011247:Pregnancy / Q000276:immunology*; D011248:Pregnancy Complications / Q000276:immunology; D012190:Retroviridae / Q000235:genetics; D014327:Trophoblasts / Q000276:immunology
chemical_list: D006680:HLA Antigens; D059951:HLA-G Antigens; D015395:Histocompatibility Antigens Class I; D007519:Isoantigens