title: Letter: Prenatal diagnosis of Tay-Sachs disease.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000166:cytology / Q000201:enzymology; D005260:Female; D006596:Hexosaminidases / Q000032:analysis; D006801:Humans; D008064:Lipidoses / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis
chemical_list: D006596:Hexosaminidases