Figure 1From: Regulation by Gonadal Steroids of Estrogen and Progesterone Receptors Along the Reproductive Tract in Female LambsConcentrations (fmol/mg protein) by ligand-binding assay of A) estrogen (ER) and B) progesterone (PR) receptor in the cervix and oviduct of 2 months old lambs after i.m. injections of oil (Group C), estradiol (Group E) or progesterone (Group P). The bars represent least square mean ± SEM. There were no significant differences between the treatments.Back to article page