"1972-04-01T00:00:00Z"^^ . . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@en . "5025870" . . . . . . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@nl . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'abril de 1972"@ast . . . "J R Marshall" . . . "D Tulchinsky" . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@en . "1095-1100" . "112" . . "10.1016/0002-9378(72)90185-8" . . . . . "C J Hobel" . "wetenschappelijk artikel"@nl . . "E Yeager" . "8" . "scientific article published on 01 April 1972"@en . "im April 1972 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@en . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@nl . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal pregnancy"@nl . . "Plasma estrone, estradiol, estriol, progesterone, and 17-hydroxyprogesterone in human pregnancy. I. Normal 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 \u0443 \u043A\u0432\u0456\u0442\u043D\u0456 1972"@uk . .