title: Aromatic amino acids in amniotic fluid samples analyzed by reversed-phase liquid chromatography with spectrophotometric detection.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002853:Chromatography, Liquid / Q000379:methods*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013056:Spectrophotometry, Ultraviolet; D014364:Tryptophan / Q000032:analysis*; D014443:Tyrosine / Q000032:analysis*
chemical_list: D014443:Tyrosine; D014364:Tryptophan