"scientific article published on 01 October 1978"@en . . . "im Oktober 1978 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "398-402" . . "710610" . . . . . . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'ochobre de 1978"@ast . . . . "Plasma progesterone levels in normal and abnormal early human pregnancy"@nl . "E Radwanska" . . . . . . "Plasma progesterone levels in normal and abnormal early human pregnancy"@nl . . . "wetenschappelijk artikel"@nl . . "Plasma progesterone levels in normal and abnormal early human pregnancy"@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 \u0436\u043E\u0432\u0442\u043D\u0456 1978"@uk . "E I Allen" . "Plasma progesterone levels in normal and abnormal early human pregnancy"@en . "Plasma progesterone levels in normal and abnormal early human pregnancy"@en . "1978-10-01T00:00:00Z"^^ . "30" . . . "Plasma progesterone levels in normal and abnormal early human pregnancy"@nl . . . . . . "J Frankenberg" . . . "10.1016/S0015-0282(16)43571-5" . "Plasma progesterone levels in normal and abnormal early human pregnancy"@en . . "4" . . .