Variations in the activity of specific protein antigen of preserved fetal blood serum.
D000818:Animals; D000941:Antigens; D001793:Blood Preservation; D001798:Blood Proteins; D005260:Female; D005333:Fetus; D006801:Humans; D011233:Precipitin Tests; D011247:Pregnancy; D011817:Rabbits
D000941:Antigens; D001798:Blood Proteins