Aspillaga, M O Some new aspects of the endocrinological response to pregnancy. [electronic resource] - British journal of obstetrics and gynaecology Jul 1983 - 596-603 p. digital Publication Type: Journal Article ISSN: 0306-5456 Standard No.: 10.1111/j.1471-0528.1983.tb09274.x doi Subjects--Topical Terms: Chorionic Gonadotropin--bloodEstradiol--bloodFemaleHormones--bloodHumansPlacental Lactogen--bloodPregnancyProgesterone--bloodProlactin--bloodReference Values