Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticPhenylmercury CompoundsEnbucrilateAlcoholsEthiodized OilFixativesForeign-Body ReactionOphthalmic SolutionsChemoembolization, TherapeuticParticle SizePreservatives, PharmaceuticalDrug Compounding