. "art\u00EDculu cient\u00EDficu espubliz\u00E1u en setiembre de 1990"@ast . "Petrocik E" . . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein (SP-1) levels in normal and Down syndrome pregnancies"@en . . . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein"@nl . "1990-09-01T00:00:00Z"^^ . "114-118" . "1" . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein (SP-1) levels in normal and Down syndrome pregnancies"@en . . . "Wassman ER" . "37" . "Lee JJ" . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein (SP-1) levels in normal and Down syndrome pregnancies"@en . . "article scientifique publi\u00E9 en 1990"@fr . . . "scientific article published on 01 September 1990"@en . "\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 \u0432\u0435\u0440\u0435\u0441\u043D\u0456 1990"@uk . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein"@nl . "im September 1990 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein"@nl . . . "Second trimester maternal serum pregnancy specific beta-1 glycoprotein (SP-1) levels in normal and Down syndrome pregnancies"@en . . . . . . "wetenschappelijk artikel"@nl . . . "10.1002/AJMG.1320370127" . . . "2146876" . "Kelly JC" .