Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticPhenylmercury CompoundsNitrate ReductaseEnbucrilateSolutionsEthiodized OilAlcoholsFixativesOphthalmic SolutionsForeign-Body ReactionParticle SizeChemoembolization, TherapeuticDrug CompoundingPreservatives, Pharmaceutical