title: Free cholesterol levels in plasma from the maternal, placental and fetal circulations during human pregnancy.
mesh_terms: D001158:Arteries; D002784:Cholesterol / Q000097:blood*; D002849:Chromatography, Gas; D002854:Chromatography, Paper; D005069:Evaluation Studies as Topic; D005260:Female; D005333:Fetus; D006801:Humans; D008431:Maternal-Fetal Exchange; D008722:Methods; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D013997:Time Factors; D014316:Tritium; D014680:Veins
chemical_list: D014316:Tritium; D002784:Cholesterol