APA

Porstmann T., Wietschke R., Cobet G., Stamminger G., Bollmann R., Rogalski V. & Pas P. (19911024). Cu/Zn superoxide dismutase quantification from fetal erythrocytes--an efficient confirmatory test for Down's syndrome after maternal serum screening and sonographic investigations. : Prenatal diagnosis.

Chicago

Porstmann T, Wietschke R, Cobet G, Stamminger G, Bollmann R, Rogalski V and Pas P. 19911024. Cu/Zn superoxide dismutase quantification from fetal erythrocytes--an efficient confirmatory test for Down's syndrome after maternal serum screening and sonographic investigations. : Prenatal diagnosis.

Harvard

Porstmann T., Wietschke R., Cobet G., Stamminger G., Bollmann R., Rogalski V. and Pas P. (19911024). Cu/Zn superoxide dismutase quantification from fetal erythrocytes--an efficient confirmatory test for Down's syndrome after maternal serum screening and sonographic investigations. : Prenatal diagnosis.

MLA

Porstmann T, Wietschke R, Cobet G, Stamminger G, Bollmann R, Rogalski V and Pas P. Cu/Zn superoxide dismutase quantification from fetal erythrocytes--an efficient confirmatory test for Down's syndrome after maternal serum screening and sonographic investigations. : Prenatal diagnosis. 19911024.