title: The quantitation of methadone in human amniotic fluid.
mesh_terms: D000328:Adult; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D002849:Chromatography, Gas; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D008691:Methadone / Q000032:analysis* / Q000627:therapeutic use; D011247:Pregnancy
chemical_list: D008691:Methadone