. . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@nl . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@en . "D B Seifer" . . . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@en . . . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@nl . . "G D Braunstein" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en mayu de 1993"@ast . "10.1016/S0002-9378(11)90802-3" . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@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 \u0432 \u0442\u0440\u0430\u0432\u043D\u0456 1993"@uk . "1993-05-01T00:00:00Z"^^ . . "scientific article published on 01 May 1993"@en . "8498446" . "article scientifique publi\u00E9 en 1993"@fr . "wetenschappelijk artikel"@nl . "168" . . . . . . "im Mai 1993 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "A Kardana" . "L A Cole" . . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@en . . "1580-1586" . . "Selecting human chorionic gonadotropin immunoassays: consideration of cross-reacting molecules in first-trimester pregnancy serum and urine"@nl . . . . . "5" . . . .