title: Oestradiol/progesterone imbalance and the premenstrual syndrome.
mesh_terms: D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D011293:Premenstrual Syndrome / Q000097:blood*; D011374:Progesterone / Q000097:blood*
chemical_list: D011374:Progesterone; D004958:Estradiol