title: Effect of intrauterine devices on preovulatory LH and progesterone levels in the cyclic hamster.
mesh_terms: D000818:Animals; D006224:Cricetinae; D004971:Estrus; D005260:Female; D007434:Intrauterine Devices; D007986:Luteinizing Hormone / Q000097:blood*; D010060:Ovulation; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D011374:Progesterone; D007986:Luteinizing Hormone