title: Lung puncture: a diagnostic aid in childhood pneumonia.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008168:Lung / Q000382:microbiology*; D011014:Pneumonia / Q000175:diagnosis*; D011677:Punctures / Q000379:methods*; D013296:Streptococcus pneumoniae / Q000302:isolation & purification