title: Acute respiratory infections in childhood in Beijing: An etiological study of pneumonia and bronchiolitis.
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification; D000293:Adolescent; D001990:Bronchiolitis, Viral / Q000209:etiology* / Q000382:microbiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D009177:Mycoplasma pneumoniae / Q000302:isolation & purification; D011014:Pneumonia / Q000209:etiology* / Q000382:microbiology; D011019:Pneumonia, Mycoplasma / Q000209:etiology; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification; D013210:Staphylococcus / Q000302:isolation & purification