Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAldehydesAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticAldehyde DehydrogenasePhenylmercury CompoundsEnbucrilateAlcoholsEthiodized OilFixativesForeign-Body ReactionAldehyde OxidoreductasesParticle SizeOphthalmic SolutionsChemoembolization, TherapeuticDrug CompoundingPreservatives, Pharmaceutical