title: Controlled release progestagen sponges for sheep.
authors.affiliation: MSD Animal Health, Walton Manor, Milton Keynes MK7 7AJ; e-mail: vet-support.uk@merck.com.
authors.forename: John
authors.initials: J
authors.lastname: Atkinson
mesh_terms: D000818:Animals; D003692:Delayed-Action Preparations; D004971:Estrus; D004973:Estrus Synchronization; D011372:Progestins; D012756:Sheep
chemical_list: D003692:Delayed-Action Preparations; D011372:Progestins