Polyvinyl AlcoholPolyvinyl ChloridePolyvinylsAldehydesAlcohol DrinkingSurgical SpongesGelatin Sponge, AbsorbableEmbolization, TherapeuticAldehyde DehydrogenasePhenylmercury CompoundsEnbucrilateAlcoholsEthiodized OilFixativesForeign-Body ReactionAldehyde OxidoreductasesChemoembolization, TherapeuticOphthalmic SolutionsParticle SizePreservatives, PharmaceuticalDrug Compounding