title: [How long can a sheep sponge be left in place?].
authors.forename: M C
authors.initials: MC
authors.lastname: Pieterse
mesh_terms: D000818:Animals; D004973:Estrus Synchronization; D005260:Female; D005547:Foreign Bodies; D012756:Sheep / Q000502:physiology*; D014621:Vagina
vernacular_title: Hoe lang mag een schapespons blijven zitten?