title: Amino acids in amniotic fluid: changes in concentrations during the first half of pregnancy.
mesh_terms: D000032:Abortion, Therapeutic; D000328:Adult; D000409:Alanine / Q000032:analysis; D000596:Amino Acids / Q000032:analysis*; D000653:Amniotic Fluid / Q000032:analysis*; D001120:Arginine / Q000032:analysis; D002852:Chromatography, Ion Exchange; D005260:Female; D005865:Gestational Age; D006801:Humans; D007532:Isoleucine / Q000032:analysis; D007930:Leucine / Q000032:analysis; D008239:Lysine / Q000032:analysis; D008715:Methionine / Q000032:analysis; D009952:Ornithine / Q000032:analysis; D010649:Phenylalanine / Q000032:analysis; D011247:Pregnancy; D012694:Serine / Q000032:analysis; D014443:Tyrosine / Q000032:analysis; D014633:Valine / Q000032:analysis
chemical_list: D000596:Amino Acids; D007532:Isoleucine; D014443:Tyrosine; D012694:Serine; D010649:Phenylalanine; D001120:Arginine; D008715:Methionine; D009952:Ornithine; D007930:Leucine; D014633:Valine; D008239:Lysine; D000409:Alanine