title: Letter: Fetoplacental function tests.
mesh_terms: D003404:Creatinine / Q000652:urine; D004967:Estrogens / Q000652:urine; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005333:Fetus / Q000502:physiology; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000502:physiology; D011247:Pregnancy; D011296:Prenatal Diagnosis
chemical_list: D004967:Estrogens; D003404:Creatinine