Hobson, B M Production of gonadotrophin, oestrogens and progesterone by the primate placenta. [electronic resource] - Advances in reproductive physiology 1971 - 67-102 p. digital Publication Type: Journal Article; Review ISSN: 0065-3322 Subjects--Topical Terms: AnimalsChorionic Gonadotropin--analysisEstradiol--bloodEstriol--bloodEstrogens--biosynthesisEstrone--bloodFemaleHaplorhini--physiologyHominidae--physiologyHumansMacacaPan troglodytesPapioPlacenta--analysisPlacental Hormones--biosynthesisPregnancyPregnanediol--urineProgesterone--biosynthesisTime Factors