title: Origin of oestrogen in preimplantation rabbit blastocysts.
mesh_terms: D000735:Androstenedione / Q000378:metabolism; D000818:Animals; D001755:Blastocyst / Q000378:metabolism*; D010064:Embryo Implantation; D004967:Estrogens / Q000096:biosynthesis*; D005260:Female; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism; D013739:Testosterone / Q000378:metabolism
chemical_list: D004967:Estrogens; D013739:Testosterone; D000735:Androstenedione; D011374:Progesterone