Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticPhenylmercury CompoundsEnbucrilateNitrate ReductaseEthiodized OilPovidoneAlcoholsSaltsFixativesPlasticizersForeign-Body ReactionSiloxanesParticle SizeOphthalmic SolutionsChemoembolization, TherapeuticDrug CompoundingPreservatives, Pharmaceutical