Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticPhenylmercury CompoundsNitrate ReductaseEnbucrilateEthiodized OilAlcoholsFixativesForeign-Body ReactionChemoembolization, TherapeuticOphthalmic SolutionsParticle SizePreservatives, PharmaceuticalDrug Compounding