Protocol for a prospective multicenter cross-sectional observational study to investigate the role of air pollution on allergic rhinitis prevalence

This study will provide correlation of NO2, SO2, PM10, and PM2.5 for AR in several aspects, including symptom score, drug score, quality of life score, asthma control score, side effects, and laboratory examination such as nasal function test, serum total immunoglobulin E, and nasal secretion smear.
Source: Medicine - Category: Internal Medicine Tags: Research Article: Study Protocol Clinical Trial Source Type: research