title: Free aminoacids and alpha-aminoacid nitrogen in cord and maternal sera at delivery and in nonpregnant women.
mesh_terms: D000596:Amino Acids / Q000097:blood*; D002854:Chromatography, Paper; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D009584:Nitrogen / Q000097:blood*; D010920:Placenta; D011247:Pregnancy; D014470:Umbilical Cord
chemical_list: D000596:Amino Acids; D009584:Nitrogen