title: The free amino acids in maternal and fetal extracellular fluids collected during ealy pregnancy.
mesh_terms: D000032:Abortion, Therapeutic; D000409:Alanine / Q000097:blood / Q000378:metabolism / Q000652:urine; D000596:Amino Acids / Q000032:analysis* / Q000097:blood / Q000378:metabolism / Q000652:urine; D000621:Aminoisobutyric Acids / Q000097:blood / Q000378:metabolism / Q000652:urine; D000653:Amniotic Fluid / Q000032:analysis*; D002845:Chromatography; D005110:Extracellular Space / Q000032:analysis*; D005260:Female; D005333:Fetus / Q000378:metabolism*; D005865:Gestational Age; D006801:Humans; D008722:Methods; D011247:Pregnancy; D013997:Time Factors; D014633:Valine / Q000097:blood / Q000378:metabolism / Q000652:urine
chemical_list: D000596:Amino Acids; D000621:Aminoisobutyric Acids; D014633:Valine; D000409:Alanine