title: Neutral-red uptake by amniotic-fluid macrophages in neural-tube defects: a rapid test.
mesh_terms: D000649:Amniocentesis / Q000379:methods*; D000653:Amniotic Fluid / Q000166:cytology; D005260:Female; D006801:Humans; D008264:Macrophages / Q000378:metabolism*; D009436:Neural Tube Defects / Q000175:diagnosis*; D009499:Neutral Red / Q000378:metabolism; D010619:Phenazines; D010873:Pinocytosis; D011247:Pregnancy
chemical_list: D010619:Phenazines; D009499:Neutral Red