Rosane da Silva Santana, Ligia Kerr, Rosa Maria Salani Mota, Carl Kendall, Roberto da Justa Neto, Hermelinda Maia Macena, David Seal, Alvaro Francisco Lopes Sousa, Willi McFarland
Syphilis Testing Among Female Prisoners in Brazil: Results of a National Cross-sectional Survey
The Journal of the Association of Nurses in AIDS Care : JANAC
evaluate effects air purifiers concentrations indoor air pollutants asthma control children randomized crossover trial daily use air purifier filter compared matched placebo filter thirty elementary school students asthma enrolled randomly allocated one two groups primary endpoints changes indoor air quality asthma severity lung function airway inflammatory urine microbiome phthalate installation air purifiers pm25 co measured indoor air pollutants asthma severity assessed terms symptom medication scores acquired using daily questionnaire higher score better symptom less frequent use medication peak expiratory flow rate fractional exhaled nitric oxide also measured mean age enrolled patients 92198 years mean concentration pm25 170 gm filteroff condition significantly lower 926 gm filteron condition medication scores 69 filteroff 712 filteron conditions reflecting statistically significant decrease frequency medications used air purifier operation bacterial richness determined using chao 1 index markedly lower filteron filteroff condition study suggests air purifiers benefit medication burden children asthma reducing pm25 levels