Relief of inhalant allergy by a mechanical nasal filter.
D003358:Cosmetics; D005374:Filtration / Q000009:adverse effects / Q000295:instrumentation*; D006801:Humans; D008722:Methods; D012130:Respiratory Hypersensitivity / Q000628:therapy*; D013193:Stainless Steel
D003358:Cosmetics; D013193:Stainless Steel