Porstmann, T Immunochemical quantification of Cu/Zn superoxide dismutase in prenatal diagnosis of Down's syndrome. [electronic resource] - Human genetics Aug 1990 - 362-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0340-6717 Standard No.: 10.1007/BF00206762 doi Subjects--Topical Terms: Amniotic Fluid--cytologyAntibodies, MonoclonalChorion--enzymologyClinical Enzyme TestsDown Syndrome--diagnosisErythrocytes--enzymologyFemaleFetal Blood--cytologyHumansImmunoenzyme TechniquesPregnancyPrenatal DiagnosisSuperoxide Dismutase--analysis