# Preventive effect of nasal filters on allergic rhinitis: A randomized, double-blind, placebo-controlled crossover park study

> Research article (Journal of Allergy and Clinical Immunology, 2015) · cited 32× · AI/ML

**Wikidata**: [openalex:W787159416](https://www.wikidata.org/wiki/openalex:W787159416)  
**Source**: https://4ort.xyz/entity/preventive-effect-of-nasal-filters-on-allergic-rhinitis-a-randomized-double-blind-placebo-controlled-crossover-park-stud