. "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@en . . "6201687" . . . "N J Wald" . "im April 1984 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "article scientifique publi\u00E9 en 1984"@fr . "8383" . "926-929" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'abril de 1984"@ast . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@nl . . . . . "4"^^ . . . . . . "H S Cuckle" . . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@en . . . "1984-04-01T00:00:00Z"^^ . . . "1" . "scientific article published on 01 April 1984"@en . . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@en . "R H Lindenbaum" . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0443 \u043A\u0432\u0456\u0442\u043D\u0456 1984"@uk . . . . . . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@nl . . . . . "wetenschappelijk artikel"@nl . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@nl . . . "10.1016/S0140-6736(84)92389-4" . "Maternal serum alpha-fetoprotein measurement: a screening test for Down syndrome"@en . .