title: Letter: Changing pattern of antenatal diagnosis.
mesh_terms: D000510:Alpha-Globulins / Q000032:analysis; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis / Q000166:cytology; D000757:Anencephaly / Q000175:diagnosis; D002478:Cells, Cultured; D005260:Female; D005326:Fetal Proteins / Q000032:analysis; D030342:Genetic Diseases, Inborn / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016135:Spinal Dysraphism / Q000175:diagnosis
chemical_list: D000510:Alpha-Globulins; D005326:Fetal Proteins