title: Post spongeing infertility in ewes.
mesh_terms: D000818:Animals; D003274:Contraceptive Devices, Female / Q000009:adverse effects*; D005260:Female; D007247:Infertility, Female / Q000209:etiology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology*