title: Effect of bilateral intrauterine devices on some pituitary and ovarian characteristics near the time of ovulation in Holstein heifers.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002417:Cattle; D005260:Female; D005640:Follicle Stimulating Hormone / Q000032:analysis; D007434:Intrauterine Devices / Q000662:veterinary*; D007986:Luteinizing Hormone / Q000032:analysis; D009929:Organ Size; D010053:Ovary / Q000502:physiology; D010060:Ovulation; D010906:Pituitary Hormone-Releasing Hormones
chemical_list: D010906:Pituitary Hormone-Releasing Hormones; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone