Erythropoietin levels in the liquor.
D000653:Amniotic Fluid; D004899:Erythroblastosis, Fetal / Q000175:diagnosis*; D004921:Erythropoietin; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D011247:Pregnancy
D004921:Erythropoietin