title: Observations on the retention of intravaginal sponge-pessaries by cattle.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000008:administration & dosage / Q000494:pharmacology; D002417:Cattle; D004971:Estrus; D005260:Female; D010298:Parity; D010570:Pessaries; D011247:Pregnancy; D013997:Time Factors; D014621:Vagina
chemical_list: D000900:Anti-Bacterial Agents