Polyvinyl AlcoholAlcoholic BeveragesPolyvinyl ChloridePolyvinylsAlcohol DrinkingSurgical SpongesWaterGelatin Sponge, AbsorbableEmbolization, TherapeuticPhenylmercury CompoundsEnbucrilateAlcoholsEthiodized OilFixativesForeign-Body ReactionParticle SizeOphthalmic SolutionsChemoembolization, TherapeuticDrug CompoundingPreservatives, PharmaceuticalWater Supply