title: Retention of progestogen sponges in ewes.
authors.forename: M J
authors.initials: MJ
authors.lastname: Mylne
authors.forename: W A
authors.initials: WA
authors.lastname: McKelvey
authors.forename: I
authors.initials: I
authors.lastname: McDougall
mesh_terms: D000818:Animals; D004973:Estrus Synchronization; D005260:Female; D005547:Foreign Bodies / Q000662:veterinary*; D010570:Pessaries / Q000009:adverse effects / Q000662:veterinary*; D011372:Progestins / Q000494:pharmacology; D012756:Sheep; D014621:Vagina
chemical_list: D011372:Progestins