title: The significance of Escherichia coli in the upper respiratory tract of children under 2 years of age.
mesh_terms: D004926:Escherichia coli / Q000302:isolation & purification; D004927:Escherichia coli Infections / Q000382:microbiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology / Q000382:microbiology*; D007902:Length of Stay; D008297:Male; D012137:Respiratory System / Q000382:microbiology; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000382:microbiology*; D012606:Scotland