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Usefulness of Nonvalved Spacers for Administration of Inhaled Steroids in Young Children with Recurrent Wheezing and Risk Factors for Asthma
BACKGROUND: In vitro and scintigraphic studies have suggested that effectiveness of metered-dose inhalers (MDI) with nonvalved spacers (NVS) is similar to that of MDI with valved holding chambers (VHC). Nevertheless, there are no clinical studies that compare these techniques in long-term treatment...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Hindawi
2018
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6140101/ https://www.ncbi.nlm.nih.gov/pubmed/30250631 http://dx.doi.org/10.1155/2018/3095647 |