Trophoblast cells and maternal blood.
D000911:Antibodies, Monoclonal / Q000032:analysis; D001773:Blood Cells / Q000166:cytology*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D014327:Trophoblasts / Q000166:cytology*
D000911:Antibodies, Monoclonal