"Birth defects and oral contraceptives"@nl . . . . . . "scientific article published on 01 April 1973"@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 \u043A\u0432\u0456\u0442\u043D\u0456 1973"@uk . "Birth defects and oral contraceptives"@en . "Birth defects and oral contraceptives"@en . . "wetenschappelijk artikel"@nl . . "941-942" . . "1973-04-01T00:00:00Z"^^ . "A H Nora" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'abril de 1973"@ast . "Birth defects and oral contraceptives"@en . . . "Birth defects and oral contraceptives"@en . . . "7809" . "J J Nora" . "Birth defects and oral contraceptives"@nl . "Birth defects and oral contraceptives"@nl . "4123872" . . . . . . "10.1016/S0140-6736(73)91398-6" . "1" . "im April 1973 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de .