Correlation of airway microscopic changes under fiberoptic bronchoscopy with lung ultrasound scores in children with severe pneumonia of different ages
LI Yuxia, ZHANG Yanfang, ZHANG Lulu
Journal of Environment and Health . 2026, (4): 306 -311 .  DOI: 10.16241/j.cnki.1001-5914.2026.04.003